visibility页面可见性
2017-07-17 本文已影响12人
哼_
<!DOCTYPE html>
<html>
<head>
<title>visibility 可见性</title>
<meta charset="utf-8">
</head>
<body>
</body>
<script type="text/javascript">
console.log(1,document.visibilityState);//结果是visible
document.addEventListener("visibilitychange",function(){
console.log(2,document.visibilityState)//结果是hidden
console.log(document.hidden);
})
</script>
</html>
