HTMLSelectElement: setCustomValidity() method

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 HTMLSelectElement.setCustomValidity() method sets the custom validity message for the selection element to the specified message. Use the empty string to indicate that the element does not have a custom validity error.

Syntax

js
setCustomValidity(string)

Parameters

  • string is the string containing the error message.

Return value

None (undefined).

Specifications

Specification
HTML Standard
# dom-cva-setcustomvalidity-dev

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android
setCustomValidity
4This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 828757.
 12 4 ≤12.1 5
18This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 828757.
 4 ≤12.1 4
1.0This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 828757.
 ≤37

See also

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https://developer.mozilla.org/en-US/docs/Web/API/HTMLSelectElement/setCustomValidity