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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>監聽用戶長時間不操作</title>
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=0, minimum-scale=1, maximum-scale=1, viewport-fit=cover"/>
</head>
<body>
<h1>3秒不點擊將會跳轉到百度</h1>
</body>
<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script>
<script>
let currtentTime = new Date().getTime(),
lastTime = new Date().getTime(),
diff = 3000;
$(document).on('click',function(){
lastTime = new Date().getTime();
});
let timer = setInterval(function(){
currentTime = new Date().getTime();
if(currentTime - lastTime > diff){
$(location).attr('href','http://www.baidu.com');
clearInterval(timer);
}
},1000);
</script>
</html>
