document visibilityState visibilitychange




<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<div class="con"></div> 
</body>


<script type="text/javascript">

document.addEventListener("visibilitychange",function(){

if(document.visibilityState=="visible"){
console.log("欢迎回来！")

//do something

//继续视频播放
}
if(document.visibilityState=="hidden"){
console.log("不要走！")

//do something else

//暂停视频播放
 }

})



</script>
</html>
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原文地址：https://www.cnblogs.com/angdh/p/14379966.html