validateInput

Validates a single input field, via its HTML attributes or an explicit options override. Returns: true \| Promise<unknown>

Parameter	Type	Required	Default	Description
`inputField`	`string \	HTMLInputElement`	`required`	`-`
`options`	`any`	`optional`	`{}`	Overrides for the field’s validation rule (`required`, `type`, `minLength`, `maxLength`, `pattern`, `message`, etc.). Defaults to `{}`.
`callback`	`any`	`optional`	`-`	Optional callback invoked with the result instead of/alongside the returned value.

Usage

Example: Validate an Email Input Field


// Using with an input element
const inputElement = document.querySelector('input[type="email"]');
nfsfu234FormValidation.validateInput(inputElement, {
  errorType: 'inline',
  customErrorMessages: {
    email: {
        empty : 'Please enter an email address.',
        formart : 'Please enter a valid email address.'
    }
  }
}).then(response => {
  console.log(response);
});
 
// Using with an input element ID
nfsfu234FormValidation.validateInput('emailInputId', {
  errorType: 'modal',
  customErrorMessages: {
    email: {
        empty : 'Please enter an email address.',
        formart : 'Please enter a valid email address.'
    }
  }
}).then(response => {
  console.log(response);
});