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Javascript 页面刷新/卸载事件

[英]Javascript page refresh/unload event

I need to do an animation when the page refreshes/unloads.当页面刷新/卸载时,我需要执行 animation。 I tried <body onunload="myFunction()"> but it does not seem to be working.我试过<body onunload="myFunction()">但它似乎不起作用。 What should I do?我应该怎么办?

In order to call a function before refresh , you can try the following:为了在refresh之前调用 function ,您可以尝试以下操作:

window.addEventListener("beforeunload", function(event) {
     myFunction();
});

Try this尝试这个

 window.addEventListener('unload', function(event) { console.log('hello world'); });

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