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.
HTMLInputElement: checkValidity() method
Syntax
js
checkValidity()
Parameters
None.
Return value
Returns true if the value of the element has no validity problems; otherwise returns false.
Specifications
| Specification |
|---|
| HTML Standard # dom-cva-checkvalidity-dev |
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
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/checkValidity