GlobalEventHandlers.onclose

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2022.

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送至視窗的 close event 的處理器（handler）。（不支援 Firefox 2 及 Safari）

語法

window.onclose = funcRef;

參數

  • funcRef 為函式的參照。

範例

js
window.onclose = resetThatServerThing;

規範

Specification
HTML
# event-close

瀏覽器相容性