HTMLSelectElement.setCustomValidity()

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.

HTMLSelectElement.setCustomValidity() 方法可為指定的元素設定自定義檢核訊息。使用空字串表示元素沒有發生違反自定檢核條件的錯誤。

語法

js
selectElt.setCustomValidity(string);

參數

  • string 為 DOMString，代表錯誤訊息。

規範

Specification
HTML Standard
# dom-cva-setcustomvalidity-dev

瀏覽器相容性

BCD tables only load in the browser

參見