HTMLInputElement: validity property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since December 2018.

The validity read-only property of the HTMLInputElement interface returns a ValidityState object that represents the validity states this element is in.

Value

A ValidityState object.

Examples

The following example gets the validity state of an input element and processes it if it is not valid:

js
const input = document.getElementById("myInput");
const validityState = input.validity;
if (!validityState.valid) {
  // Test each validity state
}

Specifications

Specification
HTML
# the-constraint-validation-api:dom-cva-validity

Browser compatibility

desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
validity

See also