dom / latest / htmlinputelement / checkvalidity.html /

HTMLInputElement.checkValidity()

The HTMLInputElement.checkValidity() method returns a boolean value which indicates validity of the value of the element. If the value is invalid, this method also fires the invalid event on the element.

Syntax

checkValidity()

Return value

Returns true if the value of the element has no validity problems; otherwise returns false.

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
checkValidity
10
12
4
10
≤12.1
5.1
≤37
18
4
≤12.1
5
1.0

See also

© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/checkValidity