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 July 2015.
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-
The string containing the error message. The empty string removes any custom validity errors.
Return value
None (undefined).
Specifications
| Specification |
|---|
| HTML # dom-cva-setcustomvalidity-dev |