HTMLSelectElement.checkValidity()

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.

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HTMLSelectElement.checkValidity() 方法會檢查元素是否有任何的檢核、驗證條件，並且檢查是否滿足這些條件。如果元素沒有通過這些檢核，瀏覽器會於該元素上觸發一個可取消的 invalid 事件，並回傳 false。

語法

js
var result = selectElt.checkValidity();

規範

Specification
HTML Standard
# dom-cva-checkvalidity-dev

瀏覽器相容性

BCD tables only load in the browser

參見