Web platform features explorer - Constraint validation API

Web platform features explorer

Methods that validate form controls before submission, such as checkValidity(), reportValidity() and setCustomValidity().

Status

Baseline Widely Available (since 2021-06-11)

MDN documentation

Using HTML form validation and the Constraint Validation API

Specifications

HTML (#the-constraint-validation-api), from HTML Workstream (WHATWG).

Browser support (view on caniuse.com)

Chrome 40 Released on 2015-01-21
Chrome Android 40 Released on 2015-01-21
Edge 18 Released on 2018-10-02
Firefox 51 Released on 2017-01-24
Firefox for Android 64 Released on 2018-12-11
Safari 10.1 Released on 2017-03-27
Safari on iOS 10.3 Released on 2017-03-27

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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