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.
selectElt.setCustomValidity(string);
DOMString containing the error message.| Specification | Status | Comment |
|---|---|---|
| WHATWG HTML Living Standard The definition of 'HTMLSelectElement.setCustomValidity()' in that specification. | Living Standard | No change since the latest snapshot, HTML5. |
| HTML5 The definition of 'HTMLSelectElement.setCustomValidity()' in that specification. | Recommendation | Initial definition, snapshot of WHATWG HTML Living Standard |
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Edge | Safari (WebKit) |
|---|---|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | 4.0 (2.0) | (Yes) | ? | (Yes) | ? |
| Feature | Android | Chrome | Edge | Firefox Mobile (Gecko) | Firefox OS | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|---|
| Basic support | ? | ? | (Yes) | 4.0 (2.0) | 1.0 | ? | ? | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLSelectElement/setCustomValidity