diff --git a/cypress/integration/checkbox.test.ts b/cypress/integration/checkbox.test.ts
index a360caa..d158f7c 100644
--- a/cypress/integration/checkbox.test.ts
+++ b/cypress/integration/checkbox.test.ts
@@ -24,8 +24,8 @@ describe('checkbox', () => {
 
 		it('should have no form values', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
 					const before = utils.makeSearchParams(values)
 						.toString();
@@ -42,8 +42,8 @@ describe('checkbox', () => {
 
 		it('should have false checked value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form,
 						{
 							submitter,
@@ -79,8 +79,8 @@ describe('checkbox', () => {
 
 		it('should have single form value on a single field', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -127,8 +127,8 @@ describe('checkbox', () => {
 
 		it('should get both values', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -144,13 +144,13 @@ describe('checkbox', () => {
 
 		it('should set both values', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, {
 						enabled: ['hello 3', 'hello 4'],
 					})
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -187,11 +187,11 @@ describe('checkbox', () => {
 
 		it('should check for boolean "true"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: true, })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
 					expect(values['enabled']).toBe('on');
 				},
@@ -201,11 +201,11 @@ describe('checkbox', () => {
 
 		it('should check for string "true"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: 'true', })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
 					expect(values['enabled']).toBe('on');
 				},
@@ -215,11 +215,11 @@ describe('checkbox', () => {
 
 		it('should check for string "yes"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: 'yes', })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
 					expect(values['enabled']).toBe('on');
 				},
@@ -229,11 +229,11 @@ describe('checkbox', () => {
 
 		it('should check for string "on"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: 'on', })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
 					expect(values['enabled']).toBe('on');
 				},
@@ -243,13 +243,13 @@ describe('checkbox', () => {
 
 		it('should uncheck for boolean "false"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: false, })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
-					expect(values['enabled']).not.toBe('on');
+					expect(values['enabled']).toBeUndefined()
 				},
 				expectedStaticValue: '',
 			});
@@ -257,13 +257,13 @@ describe('checkbox', () => {
 
 		it('should uncheck for string "false"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: 'false', })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
-					expect(values['enabled']).not.toBe('on');
+					expect(values['enabled']).toBeUndefined()
 				},
 				expectedStaticValue: '',
 			});
@@ -271,13 +271,13 @@ describe('checkbox', () => {
 
 		it('should uncheck for string "no"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: 'no', })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
-					expect(values['enabled']).not.toBe('on');
+					expect(values['enabled']).toBeUndefined()
 				},
 				expectedStaticValue: '',
 			});
@@ -285,13 +285,13 @@ describe('checkbox', () => {
 
 		it('should uncheck for string "off"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: 'off', })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
-					expect(values['enabled']).not.toBe('on');
+					expect(values['enabled']).toBeUndefined()
 				},
 				expectedStaticValue: '',
 			});
@@ -299,11 +299,11 @@ describe('checkbox', () => {
 
 		it('should check for number "1"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: 1, })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
 					expect(values['enabled']).toBe('on');
 				},
@@ -313,11 +313,11 @@ describe('checkbox', () => {
 
 		it('should check for string "1"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: '1', })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
 					expect(values['enabled']).toBe('on');
 				},
@@ -327,13 +327,13 @@ describe('checkbox', () => {
 
 		it('should uncheck for number "0"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: 0, })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
-					expect(values['enabled']).not.toBe('on');
+					expect(values['enabled']).toBeUndefined()
 				},
 				expectedStaticValue: '',
 			});
@@ -341,13 +341,13 @@ describe('checkbox', () => {
 
 		it('should uncheck for string "0"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: '0', })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
-					expect(values['enabled']).not.toBe('on');
+					expect(values['enabled']).toBeUndefined()
 				},
 				expectedStaticValue: '',
 			});
@@ -355,13 +355,13 @@ describe('checkbox', () => {
 
 		it('should uncheck for object "null"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: null, })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
-					expect(values['enabled']).not.toBe('on');
+					expect(values['enabled']).toBeUndefined()
 				},
 				expectedStaticValue: '',
 			});
@@ -369,13 +369,13 @@ describe('checkbox', () => {
 
 		it('should uncheck for string "null"', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { enabled: 'null', })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter })
-					expect(values['enabled']).not.toBe('on');
+					expect(values['enabled']).toBeUndefined()
 				},
 				expectedStaticValue: '',
 			});
diff --git a/cypress/integration/core.test.ts b/cypress/integration/core.test.ts
new file mode 100644
index 0000000..2fe64be
--- /dev/null
+++ b/cypress/integration/core.test.ts
@@ -0,0 +1,393 @@
+import getFormValuesDeprecated, {
+	getFormValues,
+	setFormValues,
+	isFieldElement,
+	isElementValueIncludedInFormSubmit,
+	getValue,
+} from '../../src';
+import * as utils from '../utils'
+
+describe('misc', () => {
+	describe('core', () => {
+		beforeEach(utils.setup(`
+			<!DOCTYPE html>
+			<html lang="en-PH">
+				<head>
+					<meta charset="UTF-8">
+					<title>Misc/Blank</title>
+				</head>
+				<body>
+					<form>
+						<button type="submit">Submit</button>
+					</form>
+				</body>
+			</html>
+		`))
+
+		it('should call console.warn for deprecated default import usage', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let consoleWarnCalled = false
+					const defaultConsoleWarn = console.warn
+					console.warn = (...args: unknown[]) => {
+						consoleWarnCalled = true
+					};
+					getFormValuesDeprecated(form, { submitter });
+					expect(consoleWarnCalled).toBe(true);
+					console.warn = defaultConsoleWarn;
+				},
+			});
+		});
+
+		it('should throw an error when providing invalid argument type as form to getFormValues', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let isThrown = false;
+					try {
+						getFormValues(0 as unknown as HTMLFormElement, {});
+					} catch {
+						isThrown = true;
+					}
+
+					expect(isThrown).toBe(true);
+				},
+			});
+		});
+
+		it('should throw an error when providing null as form to getFormValues', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let isThrown = false;
+					try {
+						getFormValues(null as unknown as HTMLFormElement, {});
+					} catch {
+						isThrown = true;
+					}
+
+					expect(isThrown).toBe(true);
+				},
+			});
+		});
+
+		it('should throw an error when providing a different element type as form to getFormValues', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let isThrown = false;
+					try {
+						getFormValues(document.body as unknown as HTMLFormElement, {});
+					} catch {
+						isThrown = true;
+					}
+
+					expect(isThrown).toBe(true);
+				},
+			});
+		});
+
+		it('should throw an error when providing invalid argument type as form to setFormValues', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let isThrown = false;
+					try {
+						setFormValues(0 as unknown as HTMLFormElement, {});
+					} catch {
+						isThrown = true;
+					}
+
+					expect(isThrown).toBe(true);
+				},
+			});
+		});
+
+		it('should throw an error when providing null as form to setFormValues', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let isThrown = false;
+					try {
+						setFormValues(null as unknown as HTMLFormElement, {});
+					} catch {
+						isThrown = true;
+					}
+
+					expect(isThrown).toBe(true);
+				},
+			});
+		});
+
+		it('should throw an error when providing a different element type as form to setFormValues', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let isThrown = false;
+					try {
+						setFormValues(document.body as unknown as HTMLFormElement, {});
+					} catch {
+						isThrown = true;
+					}
+
+					expect(isThrown).toBe(true);
+				},
+			});
+		});
+
+		it('should throw an error when providing invalid argument type as values to setFormValues', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let isThrown = false;
+					try {
+						setFormValues(form, 0);
+					} catch {
+						isThrown = true;
+					}
+
+					expect(isThrown).toBe(true);
+				},
+			});
+		});
+
+		it('should not throw an error when providing null as form to setFormValues', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let isThrown = false;
+					try {
+						setFormValues(form, null);
+					} catch (e) {
+						isThrown = true;
+					}
+
+					expect(isThrown).toBe(false);
+				},
+			});
+		});
+
+		it('should throw an error when providing undefined as form to setFormValues', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let isThrown = false;
+					try {
+						setFormValues(form, undefined);
+					} catch (e) {
+						isThrown = true;
+					}
+
+					expect(isThrown).toBe(true);
+				},
+			});
+		});
+	});
+
+	describe('utilities', () => {
+		beforeEach(utils.setup(`
+			<!DOCTYPE html>
+			<html lang="en-PH">
+				<head>
+					<meta charset="UTF-8">
+					<title>Misc/Utilities</title>
+				</head>
+				<body>
+					<form>
+						<input id="input" type="text" name="foobar" />
+						<input id="notField" type="text" />
+						<input id="disabled" disabled type="text" name="disabled" />
+						<meter id="meter" min="1" max="10" value="5" />
+						<button type="submit">Submit</button>
+					</form>
+				</body>
+			</html>
+		`));
+
+		it('should check for valid field elements value', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const meter = document.getElementById('meter');
+					expect(getValue(meter)).toBe(5);
+				},
+			});
+		});
+
+		it('should check for invalid field elements value', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					expect(getValue(document.body)).toBe(null);
+				},
+			});
+		});
+
+		it('should check for elements as included fields', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const input = document.getElementById('input');
+					expect(isElementValueIncludedInFormSubmit(input)).toBe(true);
+				},
+			});
+		});
+
+		it('should check for elements as excluded fields', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const notField = document.getElementById('notField');
+					expect(isElementValueIncludedInFormSubmit(notField)).toBe(false);
+					const disabled = document.getElementById('disabled');
+					expect(isElementValueIncludedInFormSubmit(disabled)).toBe(false);
+					const meter = document.getElementById('meter');
+					expect(isElementValueIncludedInFormSubmit(meter)).toBe(false);
+				},
+			});
+		});
+
+		it('should check for elements as valid for fields', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const input = document.getElementById('input');
+					expect(isFieldElement(input)).toBe(true);
+					const disabled = document.getElementById('disabled');
+					expect(isFieldElement(disabled)).toBe(true);
+				},
+			});
+		});
+
+		it('should check for elements as invalid for fields', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const meter = document.getElementById('meter');
+					expect(isFieldElement(meter)).toBe(false);
+					const notField = document.getElementById('notField');
+					expect(isFieldElement(notField)).toBe(false);
+				},
+			});
+		});
+	});
+
+	describe('setting values', () => {
+		beforeEach(utils.setup(`
+			<!DOCTYPE html>
+			<html lang="en-PH">
+				<head>
+					<meta charset="UTF-8">
+					<title>Misc/Blank</title>
+				</head>
+				<body>
+					<form>
+						<input type="text" name="foobar" />
+						<button type="submit">Submit</button>
+					</form>
+				</body>
+			</html>
+		`))
+
+		it('should parse string values for setFormValues', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let isThrown = false;
+					try {
+						setFormValues(form, 'foobar=baz');
+					} catch (e) {
+						isThrown = true;
+					}
+
+					expect(isThrown).toBe(false);
+					expect(getFormValues(form)).toEqual({ foobar: 'baz', });
+				},
+			})
+		});
+
+		it('should parse entries values for setFormValues', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let isThrown = false;
+					try {
+						setFormValues(form, [['foobar', 'baz']]);
+					} catch (e) {
+						isThrown = true;
+					}
+
+					expect(isThrown).toBe(false);
+					expect(getFormValues(form)).toEqual({ foobar: 'baz', });
+				},
+			})
+		});
+
+		it('should parse URLSearchParams values for setFormValues', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let isThrown = false;
+					try {
+						setFormValues(form, new URLSearchParams('foobar=baz'));
+					} catch (e) {
+						isThrown = true;
+					}
+
+					expect(isThrown).toBe(false);
+					expect(getFormValues(form)).toEqual({ foobar: 'baz', });
+				},
+			})
+		});
+
+		it('should parse object values for setFormValues', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					let isThrown = false;
+					try {
+						setFormValues(form, { foobar: 'baz', });
+					} catch (e) {
+						isThrown = true;
+					}
+
+					expect(isThrown).toBe(false);
+					expect(getFormValues(form)).toEqual({ foobar: 'baz', });
+				},
+			})
+		});
+	});
+
+	describe('duplicates', () => {
+		beforeEach(utils.setup(`
+			<!DOCTYPE html>
+			<html lang="en-PH">
+				<head>
+					<meta charset="UTF-8">
+					<title>Misc/Blank</title>
+				</head>
+				<body>
+					<form>
+						<input type="text" name="foobar" />
+						<input type="text" name="foobar" />
+						<input type="text" name="foobar" />
+						<button type="submit">Submit</button>
+					</form>
+				</body>
+			</html>
+		`));
+
+		it('should parse duplicates correctly', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { foobar: ['foo', 'bar', 'baz']})
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					expect(getFormValues(form)).toEqual({ foobar: ['foo', 'bar', 'baz'], });
+				},
+			})
+		});
+	});
+});
diff --git a/cypress/integration/date.test.ts b/cypress/integration/date.test.ts
index 54d1c66..866a010 100644
--- a/cypress/integration/date.test.ts
+++ b/cypress/integration/date.test.ts
@@ -24,8 +24,8 @@ describe('date', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -41,8 +41,8 @@ describe('date', () => {
 
 		it('should enable Date representation', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter, forceDateValues: true });
 					// somehow, checking instanceof Date fails here, because we're using an artificial date
 					// object?
@@ -78,8 +78,8 @@ describe('date', () => {
 
 		it('should have blank form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -114,8 +114,8 @@ describe('date', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -155,8 +155,8 @@ describe('date', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -193,11 +193,11 @@ describe('date', () => {
 
 		it('should have form values set', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				preAction: (form: HTMLFormElement) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: new Date('2000-01-01'), })
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -238,8 +238,8 @@ describe('date', () => {
 
 		it('should get both values', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -255,13 +255,13 @@ describe('date', () => {
 
 		it('should set both values', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, {
 						hello: ['2006-06-06', '2005-05-05'],
 					})
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
diff --git a/cypress/integration/datetime-local.test.ts b/cypress/integration/datetime-local.test.ts
index 6642731..4f4b2f9 100644
--- a/cypress/integration/datetime-local.test.ts
+++ b/cypress/integration/datetime-local.test.ts
@@ -24,8 +24,8 @@ describe('date', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -41,8 +41,8 @@ describe('date', () => {
 
 		it('should enable Date representation', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter, forceDateValues: true });
 					// somehow, checking instanceof Date fails here, because we're using an artificial date
 					// object?
@@ -78,8 +78,8 @@ describe('date', () => {
 
 		it('should have blank form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -114,8 +114,8 @@ describe('date', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -155,8 +155,8 @@ describe('date', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -193,11 +193,11 @@ describe('date', () => {
 
 		it('should have form values set', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				preAction: (form: HTMLFormElement) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: new Date('2000-01-01T13:37'), })
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -238,8 +238,8 @@ describe('date', () => {
 
 		it('should get both values', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -255,13 +255,13 @@ describe('date', () => {
 
 		it('should set both values', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, {
 						hello: ['2006-06-06T13:37', '2005-05-05T13:37'],
 					})
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
diff --git a/cypress/integration/file.test.ts b/cypress/integration/file.test.ts
index 4fe2717..a4f5f26 100644
--- a/cypress/integration/file.test.ts
+++ b/cypress/integration/file.test.ts
@@ -24,8 +24,8 @@ describe('file', () => {
 
 		it('should have no form values when no file is selected', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -41,14 +41,14 @@ describe('file', () => {
 
 		it('should have single form value when a file is selected', () => {
 			utils.test({
-				action: (cy: any) => {
+				actionBeforeSubmit: (cy: any) => {
 					cy
 						.get('[name="hello"]')
 						.attachFile('uploads/data.json')
 
 					return cy.get('[type="submit"]')
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -64,14 +64,14 @@ describe('file', () => {
 
 		it('should retrieve the file list upon setting appropriate option', () => {
 			utils.test({
-				action: (cy: any) => {
+				actionBeforeSubmit: (cy: any) => {
 					cy
 						.get('[name="hello"]')
 						.attachFile('uploads/data.json')
 
 					return cy.get('[type="submit"]')
 				},
-				test: (form: HTMLFormElement, submitter: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any) => {
 					const formValues = getFormValues(form,
 						{
 							submitter,
@@ -86,11 +86,11 @@ describe('file', () => {
 
 		it('should do nothing when attempting to set the value of the file', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: 'data.json' });
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any) => {
 					const formValues = getFormValues(
 						form,
 						{
@@ -127,8 +127,8 @@ describe('file', () => {
 
 		it('should have no form values when no file is selected', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -144,14 +144,14 @@ describe('file', () => {
 
 		it('should have single form value when a file is selected', () => {
 			utils.test({
-				action: (cy: any) => {
+				actionBeforeSubmit: (cy: any) => {
 					cy
 						.get('[name="hello"]')
 						.attachFile(['uploads/data.json', 'uploads/data2.json'])
 
 					return cy.get('[type="submit"]')
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -165,14 +165,14 @@ describe('file', () => {
 
 		it('should retrieve the file list upon setting appropriate option', () => {
 			utils.test({
-				action: (cy: any) => {
+				actionBeforeSubmit: (cy: any) => {
 					cy
 						.get('[name="hello"]')
 						.attachFile(['uploads/data.json', 'uploads/data2.json'])
 
 					return cy.get('[type="submit"]')
 				},
-				test: (form: HTMLFormElement, submitter: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any) => {
 					const formValues = getFormValues(form,
 						{
 							submitter,
diff --git a/cypress/integration/misc.test.ts b/cypress/integration/misc.test.ts
index e13ac04..fe88804 100644
--- a/cypress/integration/misc.test.ts
+++ b/cypress/integration/misc.test.ts
@@ -1,396 +1,7 @@
-import getFormValuesDeprecated, {
-	getFormValues,
-	setFormValues,
-	isFieldElement,
-	isElementValueIncludedInFormSubmit,
-	getValue,
-} from '../../src';
+import { getFormValues, setFormValues } from '../../src';
 import * as utils from '../utils'
 
 describe('misc', () => {
-	describe('core', () => {
-		beforeEach(utils.setup(`
-			<!DOCTYPE html>
-			<html lang="en-PH">
-				<head>
-					<meta charset="UTF-8">
-					<title>Misc/Blank</title>
-				</head>
-				<body>
-					<form>
-						<button type="submit">Submit</button>
-					</form>
-				</body>
-			</html>
-		`))
-
-		it('should call console.warn for deprecated default import usage', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let consoleWarnCalled = false
-					const defaultConsoleWarn = console.warn
-					console.warn = (...args: unknown[]) => {
-						consoleWarnCalled = true
-					};
-					getFormValuesDeprecated(form, { submitter });
-					expect(consoleWarnCalled).toBe(true);
-					console.warn = defaultConsoleWarn;
-				},
-			});
-		});
-
-		it('should throw an error when providing invalid argument type as form to getFormValues', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let isThrown = false;
-					try {
-						getFormValues(0 as unknown as HTMLFormElement, {});
-					} catch {
-						isThrown = true;
-					}
-
-					expect(isThrown).toBe(true);
-				},
-			});
-		});
-
-		it('should throw an error when providing null as form to getFormValues', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let isThrown = false;
-					try {
-						getFormValues(null as unknown as HTMLFormElement, {});
-					} catch {
-						isThrown = true;
-					}
-
-					expect(isThrown).toBe(true);
-				},
-			});
-		});
-
-		it('should throw an error when providing a different element type as form to getFormValues', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let isThrown = false;
-					try {
-						getFormValues(document.body as unknown as HTMLFormElement, {});
-					} catch {
-						isThrown = true;
-					}
-
-					expect(isThrown).toBe(true);
-				},
-			});
-		});
-
-		it('should throw an error when providing invalid argument type as form to setFormValues', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let isThrown = false;
-					try {
-						setFormValues(0 as unknown as HTMLFormElement, {});
-					} catch {
-						isThrown = true;
-					}
-
-					expect(isThrown).toBe(true);
-				},
-			});
-		});
-
-		it('should throw an error when providing null as form to setFormValues', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let isThrown = false;
-					try {
-						setFormValues(null as unknown as HTMLFormElement, {});
-					} catch {
-						isThrown = true;
-					}
-
-					expect(isThrown).toBe(true);
-				},
-			});
-		});
-
-		it('should throw an error when providing a different element type as form to setFormValues', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let isThrown = false;
-					try {
-						setFormValues(document.body as unknown as HTMLFormElement, {});
-					} catch {
-						isThrown = true;
-					}
-
-					expect(isThrown).toBe(true);
-				},
-			});
-		});
-
-		it('should throw an error when providing invalid argument type as values to setFormValues', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let isThrown = false;
-					try {
-						setFormValues(form, 0);
-					} catch {
-						isThrown = true;
-					}
-
-					expect(isThrown).toBe(true);
-				},
-			});
-		});
-
-		it('should not throw an error when providing null as form to setFormValues', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let isThrown = false;
-					try {
-						setFormValues(form, null);
-					} catch (e) {
-						isThrown = true;
-					}
-
-					expect(isThrown).toBe(false);
-				},
-			});
-		});
-
-		it('should throw an error when providing undefined as form to setFormValues', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let isThrown = false;
-					try {
-						setFormValues(form, undefined);
-					} catch (e) {
-						isThrown = true;
-					}
-
-					expect(isThrown).toBe(true);
-				},
-			});
-		});
-	});
-
-	describe('utilities', () => {
-		beforeEach(utils.setup(`
-			<!DOCTYPE html>
-			<html lang="en-PH">
-				<head>
-					<meta charset="UTF-8">
-					<title>Misc/Utilities</title>
-				</head>
-				<body>
-					<form>
-						<input id="input" type="text" name="foobar" />
-						<input id="notField" type="text" />
-						<input id="disabled" disabled type="text" name="disabled" />
-						<meter id="meter" min="1" max="10" value="5" />
-						<button type="submit">Submit</button>
-					</form>
-				</body>
-			</html>
-		`));
-
-		it('should check for valid field elements value', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					const meter = document.getElementById('meter');
-					expect(getValue(meter)).toBe(5);
-				},
-			});
-		});
-
-		it('should check for invalid field elements value', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					expect(getValue(document.body)).toBe(null);
-				},
-			});
-		});
-
-		it('should check for elements as included fields', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					const input = document.getElementById('input');
-					expect(isElementValueIncludedInFormSubmit(input)).toBe(true);
-				},
-			});
-		});
-
-		it('should check for elements as excluded fields', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					const notField = document.getElementById('notField');
-					expect(isElementValueIncludedInFormSubmit(notField)).toBe(false);
-					const disabled = document.getElementById('disabled');
-					expect(isElementValueIncludedInFormSubmit(disabled)).toBe(false);
-					const meter = document.getElementById('meter');
-					expect(isElementValueIncludedInFormSubmit(meter)).toBe(false);
-				},
-			});
-		});
-
-		it('should check for elements as valid for fields', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					const input = document.getElementById('input');
-					expect(isFieldElement(input)).toBe(true);
-					const disabled = document.getElementById('disabled');
-					expect(isFieldElement(disabled)).toBe(true);
-				},
-			});
-		});
-
-		it('should check for elements as invalid for fields', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					const meter = document.getElementById('meter');
-					expect(isFieldElement(meter)).toBe(false);
-					const notField = document.getElementById('notField');
-					expect(isFieldElement(notField)).toBe(false);
-				},
-			});
-		});
-	});
-
-	describe('setting values', () => {
-		beforeEach(utils.setup(`
-			<!DOCTYPE html>
-			<html lang="en-PH">
-				<head>
-					<meta charset="UTF-8">
-					<title>Misc/Blank</title>
-				</head>
-				<body>
-					<form>
-						<input type="text" name="foobar" />
-						<button type="submit">Submit</button>
-					</form>
-				</body>
-			</html>
-		`))
-
-		it('should parse string values for setFormValues', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let isThrown = false;
-					try {
-						setFormValues(form, 'foobar=baz');
-					} catch (e) {
-						isThrown = true;
-					}
-
-					expect(isThrown).toBe(false);
-					expect(getFormValues(form)).toEqual({ foobar: 'baz', });
-				},
-			})
-		});
-
-		it('should parse entries values for setFormValues', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let isThrown = false;
-					try {
-						setFormValues(form, [['foobar', 'baz']]);
-					} catch (e) {
-						isThrown = true;
-					}
-
-					expect(isThrown).toBe(false);
-					expect(getFormValues(form)).toEqual({ foobar: 'baz', });
-				},
-			})
-		});
-
-		it('should parse URLSearchParams values for setFormValues', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let isThrown = false;
-					try {
-						setFormValues(form, new URLSearchParams('foobar=baz'));
-					} catch (e) {
-						isThrown = true;
-					}
-
-					expect(isThrown).toBe(false);
-					expect(getFormValues(form)).toEqual({ foobar: 'baz', });
-				},
-			})
-		});
-
-		it('should parse object values for setFormValues', () => {
-			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					let isThrown = false;
-					try {
-						setFormValues(form, { foobar: 'baz', });
-					} catch (e) {
-						isThrown = true;
-					}
-
-					expect(isThrown).toBe(false);
-					expect(getFormValues(form)).toEqual({ foobar: 'baz', });
-				},
-			})
-		});
-	});
-
-	describe('duplicates', () => {
-		beforeEach(utils.setup(`
-			<!DOCTYPE html>
-			<html lang="en-PH">
-				<head>
-					<meta charset="UTF-8">
-					<title>Misc/Blank</title>
-				</head>
-				<body>
-					<form>
-						<input type="text" name="foobar" />
-						<input type="text" name="foobar" />
-						<input type="text" name="foobar" />
-						<button type="submit">Submit</button>
-					</form>
-				</body>
-			</html>
-		`));
-
-		it('should parse duplicates correctly', () => {
-			utils.test({
-				preAction: (form: HTMLFormElement) => {
-					setFormValues(form, { foobar: ['foo', 'bar', 'baz']})
-				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
-					expect(getFormValues(form)).toEqual({ foobar: ['foo', 'bar', 'baz'], });
-				},
-			})
-		});
-	});
-
 	describe('blank', () => {
 		beforeEach(utils.setup(`
 			<!DOCTYPE html>
@@ -409,8 +20,8 @@ describe('misc', () => {
 
 		it('should have blank form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -569,7 +180,7 @@ describe('misc', () => {
 
 		it('should have correct form values', () => {
 			utils.test({
-				action: (cy) => {
+				actionBeforeSubmit: (cy) => {
 					cy.get('[name="first_name"]')
 						.type('John')
 					cy.get('[name="middle_name"]')
@@ -619,7 +230,7 @@ describe('misc', () => {
 						.type('Test content\n\nNew line\n\nAnother line')
 					return cy.get('[name="submit"][value="Hi"]')
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -634,8 +245,8 @@ describe('misc', () => {
 
 		it('should have filled form values', () => {
 			utils.test({
-				action: (cy) => cy.wait(3000).get('[name="submit"][value="Hi"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy) => cy.wait(3000).get('[name="submit"][value="Hi"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -644,7 +255,7 @@ describe('misc', () => {
 					expect(before)
 						.toEqual(after);
 				},
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, {
 						first_name: 'John',
 						middle_name: 'Marcelo',
diff --git a/cypress/integration/month.test.ts b/cypress/integration/month.test.ts
index 1a5096a..420945d 100644
--- a/cypress/integration/month.test.ts
+++ b/cypress/integration/month.test.ts
@@ -24,8 +24,8 @@ describe('month', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -41,8 +41,8 @@ describe('month', () => {
 
 		it('should enable Date representation', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const values = getFormValues(form, { submitter, forceDateValues: true });
 					// somehow, checking instanceof Date fails here, because we're using an artificial date
 					// object?
@@ -78,8 +78,8 @@ describe('month', () => {
 
 		it('should have blank form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -114,8 +114,8 @@ describe('month', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -155,8 +155,8 @@ describe('month', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -193,11 +193,11 @@ describe('month', () => {
 
 		it('should have form values set', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				preAction: (form: HTMLFormElement) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: '2003-05', })
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -238,8 +238,8 @@ describe('month', () => {
 
 		it('should get both values', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -255,13 +255,13 @@ describe('month', () => {
 
 		it('should set both values', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, {
 						hello: ['2003-04', '2003-02'],
 					})
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
diff --git a/cypress/integration/number.test.ts b/cypress/integration/number.test.ts
index b28d8ea..0e7e1d8 100644
--- a/cypress/integration/number.test.ts
+++ b/cypress/integration/number.test.ts
@@ -24,8 +24,8 @@ describe('number', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter, forceNumberValues: true, }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -65,8 +65,8 @@ describe('number', () => {
 
 		it('should have blank form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -101,8 +101,8 @@ describe('number', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -142,8 +142,8 @@ describe('number', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -180,11 +180,11 @@ describe('number', () => {
 
 		it('should have form values set', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				preAction: (form: HTMLFormElement) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: 5, })
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter, forceNumberValues: true, }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -225,8 +225,8 @@ describe('number', () => {
 
 		it('should get both values', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter, forceNumberValues: true, }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -242,13 +242,13 @@ describe('number', () => {
 
 		it('should set both values', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, {
 						hello: [4, 2],
 					})
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
diff --git a/cypress/integration/radio.test.ts b/cypress/integration/radio.test.ts
new file mode 100644
index 0000000..c70c7dc
--- /dev/null
+++ b/cypress/integration/radio.test.ts
@@ -0,0 +1,419 @@
+import { getFormValues, setFormValues } from '../../src';
+import * as utils from '../utils'
+
+describe('radio', () => {
+	describe('basic', () => {
+		beforeEach(utils.setup(`
+			<!DOCTYPE html>
+			<html lang="en-PH">
+				<head>
+					<meta charset="UTF-8">
+					<title>Radio/Basic</title>
+				</head>
+				<body>
+					<form>
+						<label>
+							<span>Hello</span>
+							<input type="radio" name="enabled" />
+						</label>
+						<button type="submit">Submit</button>
+					</form>
+				</body>
+			</html>
+		`))
+
+		it('should have no form values', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					const before = utils.makeSearchParams(values)
+						.toString();
+					const after = utils.makeSearchParams(search)
+						.toString();
+					expect(values['enabled'])
+						.toBeUndefined();
+					expect(before)
+						.toEqual(after);
+				},
+				expectedStaticValue: '',
+			});
+		});
+	});
+
+	describe('checked', () => {
+		beforeEach(utils.setup(`
+			<!DOCTYPE html>
+			<html lang="en-PH">
+				<head>
+					<meta charset="UTF-8">
+					<title>Radio/Checked</title>
+				</head>
+				<body>
+					<form>
+						<label>
+							<span>Hello</span>
+							<input type="radio" name="enabled" checked />
+						</label>
+						<button type="submit">Submit</button>
+					</form>
+				</body>
+			</html>
+		`))
+
+		it('should have single form value on a single field', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
+						.toString();
+					const after = utils.makeSearchParams(search)
+						.toString();
+					expect(before)
+						.toEqual(after);
+				},
+				expectedStaticValue: 'enabled=on',
+			});
+		});
+	});
+
+	describe('duplicate', () => {
+		beforeEach(utils.setup(`
+			<!DOCTYPE html>
+			<html lang="en-PH">
+				<head>
+					<meta charset="UTF-8">
+					<title>Radio/Duplicate</title>
+				</head>
+				<body>
+					<form>
+						<label>
+							<span>Hello 1</span>
+							<input type="radio" name="enabled" value="hello 1" checked />
+						</label>
+						<label>
+							<span>Hello 2</span>
+							<input type="radio" name="enabled" value="hello 2" checked />
+						</label>
+						<label>
+							<span>Hello 3</span>
+							<input type="radio" name="enabled" value="hello 3" />
+						</label>
+						<label>
+							<span>Hello 4</span>
+							<input type="radio" name="enabled" value="hello 4" />
+						</label>
+						<button type="submit">Submit</button>
+					</form>
+				</body>
+			</html>
+		`));
+
+		it('should get last value as checked', () => {
+			utils.test({
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
+						.toString();
+					const after = utils.makeSearchParams(search)
+						.toString();
+					expect(before)
+						.toEqual(after);
+				},
+				expectedStaticValue: {
+					enabled: 'hello 2',
+				},
+			});
+		});
+
+		it('should set to last value', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, {
+						enabled: ['hello 3', 'hello 4'],
+					})
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
+						.toString();
+					const after = utils.makeSearchParams(search)
+						.toString();
+					expect(before)
+						.toEqual(after);
+				},
+				expectedStaticValue: {
+					enabled: 'hello 4',
+				},
+			});
+		});
+	});
+
+	describe('setting values', () => {
+		beforeEach(utils.setup(`
+			<!DOCTYPE html>
+			<html lang="en-PH">
+				<head>
+					<meta charset="UTF-8">
+					<title>Radio/Setting Values</title>
+				</head>
+				<body>
+					<form>
+						<label>
+							<span>Hello</span>
+							<input type="radio" name="enabled" value="default" checked />
+							<input type="radio" name="enabled" />
+							<input type="radio" name="enabled" value="true" />
+							<input type="radio" name="enabled" value="yes" />
+							<input type="radio" name="enabled" value="1" />
+							<input type="radio" name="enabled" value="false" />
+							<input type="radio" name="enabled" value="no" />
+							<input type="radio" name="enabled" value="off" />
+							<input type="radio" name="enabled" value="0" />
+							<input type="radio" name="enabled" value="null" />
+						</label>
+						<button type="submit">Submit</button>
+					</form>
+				</body>
+			</html>
+		`))
+
+		it('should uncheck for boolean "true"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: true, })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBeUndefined()
+				},
+				expectedStaticValue: '',
+			});
+		});
+
+		it('should check for string "true"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: 'true', })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBe('true');
+				},
+				expectedStaticValue: 'enabled=true',
+			});
+		});
+
+		it('should check for string "yes"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: 'yes', })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBe('yes');
+				},
+				expectedStaticValue: 'enabled=yes',
+			});
+		});
+
+		it('should check for string "on"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: 'on', })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBe('on');
+				},
+				expectedStaticValue: 'enabled=on',
+			});
+		});
+
+		it('should uncheck for boolean "false"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: false, })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBeUndefined()
+				},
+				expectedStaticValue: '',
+			});
+		});
+
+		it('should check for string "false"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: 'false', })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBe('false');
+				},
+				expectedStaticValue: 'enabled=false',
+			});
+		});
+
+		it('should check for string "no"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: 'no', })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBe('no')
+				},
+				expectedStaticValue: 'enabled=no',
+			});
+		});
+
+		it('should check for string "off"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: 'off', })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBe('off');
+				},
+				expectedStaticValue: 'enabled=off',
+			});
+		});
+
+		it('should uncheck for number "1"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: 1, })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBeUndefined();
+				},
+				expectedStaticValue: '',
+			});
+		});
+
+		it('should check for string "1"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: '1', })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBe('1');
+				},
+				expectedStaticValue: 'enabled=1',
+			});
+		});
+
+		it('should uncheck for number "0"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: 0, })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBeUndefined()
+				},
+				expectedStaticValue: '',
+			});
+		});
+
+		it('should check for string "0"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: '0', })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBe('0')
+				},
+				expectedStaticValue: 'enabled=0',
+			});
+		});
+
+		it('should uncheck for object "null"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: null, })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBeUndefined()
+				},
+				expectedStaticValue: '',
+			});
+		});
+
+		it('should check for string "null"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: 'null', })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBe('null');
+				},
+				expectedStaticValue: 'null',
+			});
+		});
+
+		it('should check for boolean "true"', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: true, })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBeUndefined()
+				},
+				expectedStaticValue: '',
+			});
+		});
+
+		it('should check valueless radio for last value on', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: ['foo', 'bar', 'baz', 'on'], })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBe('on')
+				},
+				expectedStaticValue: 'enabled=on',
+			});
+		});
+
+		it('should check radio with value for last value', () => {
+			utils.test({
+				onLoaded: (form: HTMLFormElement) => {
+					setFormValues(form, { enabled: ['foo', 'bar', 'baz', 'on', 'default', 'true'], })
+				},
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
+					const values = getFormValues(form, { submitter })
+					expect(values['enabled']).toBe('true')
+				},
+				expectedStaticValue: 'enabled=true',
+			});
+		});
+	});
+});
diff --git a/cypress/integration/range.test.ts b/cypress/integration/range.test.ts
index f9b73c4..c6ffe6a 100644
--- a/cypress/integration/range.test.ts
+++ b/cypress/integration/range.test.ts
@@ -24,8 +24,8 @@ describe('range', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter, forceNumberValues: true, }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -65,8 +65,8 @@ describe('range', () => {
 
 		it('should have blank form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -101,8 +101,8 @@ describe('range', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -142,8 +142,8 @@ describe('range', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -180,11 +180,11 @@ describe('range', () => {
 
 		it('should have form values set', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				preAction: (form: HTMLFormElement) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: 5, })
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter, forceNumberValues: true, }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -225,8 +225,8 @@ describe('range', () => {
 
 		it('should get both values', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter, forceNumberValues: true, }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -242,13 +242,13 @@ describe('range', () => {
 
 		it('should set both values', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, {
 						hello: [4, 2],
 					})
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
diff --git a/cypress/integration/select.test.ts b/cypress/integration/select.test.ts
index 453cce4..776a511 100644
--- a/cypress/integration/select.test.ts
+++ b/cypress/integration/select.test.ts
@@ -29,8 +29,8 @@ describe('select', () => {
 
 		it('should have multiple form values on a single field', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -44,11 +44,11 @@ describe('select', () => {
 
 		it('should set values correctly', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: ['Foo', 'Baz'] });
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -94,8 +94,8 @@ describe('select', () => {
 
 		it('should have multiple form values on a single field', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -109,11 +109,11 @@ describe('select', () => {
 
 		it('should set multiple form values across all selects', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: ['Foo', 'Baz', 'Chocolate', 'Vanilla'] })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -127,11 +127,11 @@ describe('select', () => {
 
 		it('should set multiple form values on each corresponding select element', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: [['Foo', 'Baz', 'Chocolate'], ['Vanilla']] })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -170,8 +170,8 @@ describe('select', () => {
 
 		it('should have single form value on a single field', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -220,8 +220,8 @@ describe('select', () => {
 
 		it('should have multiple form values on a single field', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -235,11 +235,11 @@ describe('select', () => {
 
 		it('should set multiple form values across all selects', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: ['Foo', 'Chocolate'] })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -253,11 +253,11 @@ describe('select', () => {
 
 		it('should set multiple form values on each corresponding select element', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: ['Foo', 'Ube'] })
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
diff --git a/cypress/integration/submitter.test.ts b/cypress/integration/submitter.test.ts
index 6a38e9f..1bde040 100644
--- a/cypress/integration/submitter.test.ts
+++ b/cypress/integration/submitter.test.ts
@@ -25,8 +25,8 @@ describe('submitter', () => {
 
 		it('should have double form values', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[name="action"][value="Foo"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[name="action"][value="Foo"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -65,8 +65,8 @@ describe('submitter', () => {
 
 		it('should have double form values', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[name="action"][value="Bar"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[name="action"][value="Bar"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -103,8 +103,8 @@ describe('submitter', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
diff --git a/cypress/integration/text.test.ts b/cypress/integration/text.test.ts
index 94fe112..3d6e21e 100644
--- a/cypress/integration/text.test.ts
+++ b/cypress/integration/text.test.ts
@@ -24,8 +24,8 @@ describe('text', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -65,8 +65,8 @@ describe('text', () => {
 
 		it('should have blank form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -101,8 +101,8 @@ describe('text', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -142,8 +142,8 @@ describe('text', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -180,11 +180,11 @@ describe('text', () => {
 
 		it('should have form values set', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				preAction: (form: HTMLFormElement) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: 'Hi', })
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -225,8 +225,8 @@ describe('text', () => {
 
 		it('should get both values', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -242,13 +242,13 @@ describe('text', () => {
 
 		it('should set both values', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, {
 						hello: ['new value 1', 'another value 2'],
 					})
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
diff --git a/cypress/integration/textarea.test.ts b/cypress/integration/textarea.test.ts
index 5fdf85d..aaf76dd 100644
--- a/cypress/integration/textarea.test.ts
+++ b/cypress/integration/textarea.test.ts
@@ -24,8 +24,8 @@ describe('textarea', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -65,8 +65,8 @@ describe('textarea', () => {
 
 		it('should have blank form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -101,8 +101,8 @@ describe('textarea', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -142,8 +142,8 @@ describe('textarea', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -180,11 +180,11 @@ describe('textarea', () => {
 
 		it('should have form values set', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				preAction: (form: HTMLFormElement) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: 'Hi', })
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -221,12 +221,12 @@ describe('textarea', () => {
 
 		it('should read LF line breaks', () => {
 			utils.test({
-				action: (cy: any) => {
+				actionBeforeSubmit: (cy: any) => {
 					cy.get('[name="hello"]')
 						.type('Hi\nHello', { parseSpecialCharSequences: false })
 					return cy.get('[type="submit"]')
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter, lineEndings: LineEnding.LF }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -242,12 +242,12 @@ describe('textarea', () => {
 
 		it('should read CR line breaks', () => {
 			utils.test({
-				action: (cy: any) => {
+				actionBeforeSubmit: (cy: any) => {
 					cy.get('[name="hello"]')
 						.type('Hi\rHello', { parseSpecialCharSequences: false })
 					return cy.get('[type="submit"]')
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter, lineEndings: LineEnding.CR }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -263,12 +263,12 @@ describe('textarea', () => {
 
 		it('should read CRLF line breaks', () => {
 			utils.test({
-				action: (cy: any) => {
+				actionBeforeSubmit: (cy: any) => {
 					cy.get('[name="hello"]')
 						.type('Hi\r\nHello', { parseSpecialCharSequences: false })
 					return cy.get('[type="submit"]')
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter, lineEndings: LineEnding.CRLF }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -309,8 +309,8 @@ describe('textarea', () => {
 
 		it('should get both values', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -326,13 +326,13 @@ describe('textarea', () => {
 
 		it('should set both values', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, {
 						hello: ['new value 1', 'another value 2'],
 					})
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
diff --git a/cypress/integration/time.test.ts b/cypress/integration/time.test.ts
index 2eeb884..fa3fd69 100644
--- a/cypress/integration/time.test.ts
+++ b/cypress/integration/time.test.ts
@@ -24,8 +24,8 @@ describe('time', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -65,8 +65,8 @@ describe('time', () => {
 
 		it('should have blank form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -101,8 +101,8 @@ describe('time', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -142,8 +142,8 @@ describe('time', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -180,11 +180,11 @@ describe('time', () => {
 
 		it('should have form values set', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				preAction: (form: HTMLFormElement) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: '13:37', })
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -225,8 +225,8 @@ describe('time', () => {
 
 		it('should get both values', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -242,13 +242,13 @@ describe('time', () => {
 
 		it('should set both values', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, {
 						hello: ['04:20', '05:30'],
 					})
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
diff --git a/cypress/integration/week.test.ts b/cypress/integration/week.test.ts
index df7e643..12ccaf7 100644
--- a/cypress/integration/week.test.ts
+++ b/cypress/integration/week.test.ts
@@ -24,8 +24,8 @@ describe('week', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -65,8 +65,8 @@ describe('week', () => {
 
 		it('should have blank form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -101,8 +101,8 @@ describe('week', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -142,8 +142,8 @@ describe('week', () => {
 
 		it('should have single form value', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -180,11 +180,11 @@ describe('week', () => {
 
 		it('should have form values set', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				preAction: (form: HTMLFormElement) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, { hello: '2003-W25', })
 				},
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -225,8 +225,8 @@ describe('week', () => {
 
 		it('should get both values', () => {
 			utils.test({
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
@@ -242,13 +242,13 @@ describe('week', () => {
 
 		it('should set both values', () => {
 			utils.test({
-				preAction: (form: HTMLFormElement) => {
+				onLoaded: (form: HTMLFormElement) => {
 					setFormValues(form, {
 						hello: ['2003-W40', '2003-W50'],
 					})
 				},
-				action: (cy: any) => cy.get('[type="submit"]'),
-				test: (form: HTMLFormElement, submitter: any, search: any) => {
+				actionBeforeSubmit: (cy: any) => cy.get('[type="submit"]'),
+				onSubmitted: (form: HTMLFormElement, submitter: any, search: any) => {
 					const before = utils.makeSearchParams(getFormValues(form, { submitter }))
 						.toString();
 					const after = utils.makeSearchParams(search)
diff --git a/cypress/utils/index.ts b/cypress/utils/index.ts
index 6dc5182..7647494 100644
--- a/cypress/utils/index.ts
+++ b/cypress/utils/index.ts
@@ -13,7 +13,7 @@ type TestFn = (form: HTMLFormElement, submitter: HTMLSubmitterElement, after: Ex
 export const setup = (template: string) => {
 	if (typeof cy !== 'undefined') {
 		return () => {
-			cy.intercept({ url: '/' }, { body: template });
+			cy.intercept({ url: '/' }, { body: template }).as('loaded');
 			cy.intercept({ url: '/?*' }, { body: template }).as('submitted');
 		}
 	}
@@ -26,18 +26,18 @@ export const setup = (template: string) => {
 }
 
 type TestOptions = {
-	action: RetrieveSubmitterFn,
-	test: TestFn,
+	actionBeforeSubmit: RetrieveSubmitterFn,
+	onSubmitted: TestFn,
 	expectedStaticValue?: ExpectedSearchValue,
-	preAction?: Function,
+	onLoaded?: Function,
 }
 
 export const test = (options: TestOptions) => {
 	const {
-		action: retrieveSubmitterFn,
-		test: testFn,
+		actionBeforeSubmit: retrieveSubmitterFn,
+		onSubmitted: testFn,
 		expectedStaticValue,
-		preAction,
+		onLoaded,
 	} = options;
 	let form: HTMLFormElement
 	let submitter: HTMLButtonElement | HTMLInputElement
@@ -49,8 +49,8 @@ export const test = (options: TestOptions) => {
 			.then((formResult: any) => {
 				[form] = Array.from(formResult);
 
-				if (typeof preAction === 'function') {
-					preAction(form);
+				if (typeof onLoaded === 'function') {
+					onLoaded(form);
 				}
 			})
 
@@ -65,13 +65,17 @@ export const test = (options: TestOptions) => {
 				.wait('@submitted')
 				.location('search')
 				.then((search: any) => {
-					testFn(form, submitter, search)
+					setTimeout(() => {
+						testFn(form, submitter, search)
+					}, 0)
 				})
 		} else {
 			cy
 				.location('search')
 				.then((search: any) => {
-					testFn(form, submitter, search)
+					setTimeout(() => {
+						testFn(form, submitter, search)
+					}, 0);
 				})
 		}
 	} else {
@@ -80,8 +84,8 @@ export const test = (options: TestOptions) => {
 				[submitter] = Array.from(submitterQueryEl as any[]);
 				[form] = Array.from(window.document.getElementsByTagName('form'))
 
-				if (typeof preAction === 'function') {
-					preAction(form);
+				if (typeof onLoaded === 'function') {
+					onLoaded(form);
 				}
 
 				testFn(form, submitter, expectedStaticValue)
diff --git a/src/index.ts b/src/index.ts
index 781bb4d..bc18609 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -216,8 +216,19 @@ const setInputRadioFieldValue = (
   value: unknown,
 ) => {
   const valueWhenChecked = inputEl.getAttribute(ATTRIBUTE_VALUE);
+
+  if (valueWhenChecked !== null) {
+    // eslint-disable-next-line no-param-reassign
+    inputEl.checked = (
+      Array.isArray(value) ? valueWhenChecked === value.slice(-1)[0] : valueWhenChecked === value
+    );
+    return;
+  }
+
   // eslint-disable-next-line no-param-reassign
-  inputEl.checked = valueWhenChecked === value;
+  inputEl.checked = (
+    Array.isArray(value) ? value.includes('on') : value === 'on'
+  );
 };
 
 /**