
Security News
New CVE Forecasting Tool Predicts 47,000 Disclosures in 2025
CVEForecast.org uses machine learning to project a record-breaking surge in vulnerability disclosures in 2025.
html5-form-validator
Advanced tools
The simplest HTML5 forms validator.
This form validator uses the built-in capabilities of the browser to validate the required form fields.
All validation messages are shown as they are shown by the browser which means that they are internationalized and are NOT subject to change.
npm i html5-form-validator
or
yarn add html5-form-validator
import { HTML5FormValidation } from 'html5-form-validator';
Then initialize with default settings:
new HTML5FormValidation();
or supply your own
const form = document.querySelector('#form');
new HTML5FormValidation(form, {
errorElement: 'form__error',
invalidClass: 'is--invalid',
submitHandler(instance) {
console.log(instance);
},
validateOnInput: false
});
Option | Type | Required | Default | Description |
---|---|---|---|---|
errorElement | string | false | 'error' | The class name of the element that will be added to the DOM after the required field. |
invalidClass | string | false | 'invalid' | The classname of the required field when it is invalid |
submitHandler | Function | false | null | A function to run on form submission. Accepts a single argument - the HTML5FormValidation instance. |
validateOnInput | boolean | false | true | Validate as you type. Set to false to validate only on submit. |
MIT
FAQs
The simplest HTML5 forms validator
The npm package html5-form-validator receives a total of 163 weekly downloads. As such, html5-form-validator popularity was classified as not popular.
We found that html5-form-validator demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Security News
CVEForecast.org uses machine learning to project a record-breaking surge in vulnerability disclosures in 2025.
Security News
Browserslist-rs now uses static data to reduce binary size by over 1MB, improving memory use and performance for Rust-based frontend tools.
Research
Security News
Eight new malicious Firefox extensions impersonate games, steal OAuth tokens, hijack sessions, and exploit browser permissions to spy on users.