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.
io error: No such file or directory (os error 2) (/home/runner/work/yari/yari/mdn/translated-content/files/zh-tw/web/api/html_dom_api/index.md)
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 Standard # event-close |
瀏覽器相容性
BCD tables only load in the browser