请问 为什么时间没有显示出来
一辆想出轨的无轨电车
一辆想出轨的无轨电车 2016-12-21 10:29:56
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<!DOCTYPE html>
<html>
 <head>
  <title>浏览器对象</title>  
  <meta http-equiv="Content-Type" content="text/html; charset=gkb"/>   
 </head>
 <body onload="set()">
  <h2>操作成功</h2>
  <div id="time"></div>
  <span>秒后回到主页</span>
  <span onclick="window.history.back()" style="text-decoration:underline">返回</span>
  <script type="text/javascript">  
 var t=5;
   function set()
   {
      var x= setTimeout("set()",1000);
       document.getElementById("time").innerHTML=x;
       t--;
       if(t==0)
       {
          window.history.back();
       }
   }
 </script> 
</body>
</html>

一辆想出轨的无轨电车
一辆想出轨的无轨电车

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数据分析师

Excuse me, why is the time not displayed? - PHP Chinese website Q&A - Excuse me, why is the time not displayed? - PHP Chinese website Q&A

Take a look around and learn.

巴扎黑

document.getElementById("time").innerHTML=t; //应该是t,x是用来清除setTimeout()的

var x= setTimeout("set()",1000);

注意顺序,先改变t,再重新调用setTimeout。


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