HTMLSelectElement.setCustomValidity() - Web API 接口参考 编辑

HTMLSelectElement.setCustomValidity() 方法设置指定的验证消息为选择元素的自定义验证消息。

使用空字符串来表示该元素没有自定义的验证错误。

语法

selectElt.setCustomValidity(string);

Parameters

• string 将作为错误信息包含到 DOMString 之中。

Specifications

Specification	Status	Comment
HTML Living Standard HTMLSelectElement.setCustomValidity()	Living Standard	No change since the latest snapshot, HTML5.
HTML5 HTMLSelectElement.setCustomValidity()	Recommendation	Initial definition, snapshot of HTML Living Standard

浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

• Desktop
• Mobile

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	?	?	?

查看更多

• Form validation.