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 Standard # the-constraint-validation-api:dom-cva-validity |
Browser compatibility
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