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                # 微信web頁面退出事件 微信退出時不會上報`beforeunload`事件,但是會上報`unload`事件,也可以通過監聽`visibilitychange`達到相同的效果 以下兩種方式都可以正常工作 ~~~js $(window).on('unload', function () { //資源銷毀代碼 }); ~~~ ~~~js $(document).on('visibilitychange', function () { if (document.visibilityState == 'hidden') { //資源銷毀代碼 } }); ~~~ 以下方式在微信webview中無效 ~~~js // 不支持了 $(window).on('beforeunload', function () { //資源銷毀代碼 }); ~~~
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