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 July 2015.
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 |