HTMLSelectElement.setCustomValidity() - Web APIs 编辑

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

selectElt.setCustomValidity(string);

Parameters

• string is the DOMString containing the error message.

Specifications

Browser compatibility

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See also

• Form validation.