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<body>
<p>操作成功！</p>
<p><span id="time"></span>秒，自动返回主页，<a href="https://www.baidu.com/">返回</a></p>
<script>
function time_back(time_s,url_s){
var time_num= document.getElementById(‘time‘);
time_num.innerHTML=time_s;
if(--time_s>0){
setTimeout("time_back("+time_s+",‘"+url_s+"‘)",1000);
}else{
location.href=url_s;
}
}
time_back(6,‘https://www.baidu.com/‘);
</script>
</body>
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原文地址：http://www.cnblogs.com/ccMelissa/p/5945156.html
