我三秒后要隐藏

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="gb2312">
<head>
<title> New Document </title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta name="robots" content="all" />
<meta name="author" content="ZerGiNe" />
<meta name="Copyright" content="All rights reserved by ZerGiNe" />
<meta name="description" content="desc" />
<meta name="keywords" content="desc" />
<link rel="icon" href="/favicon.ico" type="image/x-icon" />
<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" />
<link rel="stylesheet" rev="stylesheet" href="" type="text/css" media="all" />
</head>
<body>
<div id="hidden_div" >3 秒 </div>
</body>
</html>
<script>
var action;
var obj;
var timer;
function setTimer(id,time,act){
    obj = document.getElementById(id);
    action = act;
    timer = time;
    setTimeout("doFunc(action,obj)",timer);
}
function doFunc(action,obj){
    var _eventObj = obj;
    switch (action){
        case "hidden":
                _eventObj.style.display='none';
            break;
        case "show":
                _eventObj.style.display='';
            break;
        default:
                _eventObj.style.display='';
            break;
    }
}
var timeComp = new setTimer("hidden_div",3000,"hidden")
</script>
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<script>
var action;
var obj;
var timer;
function setTimer(id,time,act){
    obj = document.getElementById(id);
    action = act;
    timer = time;
    setTimeout("doFunc(action,obj)",timer);
}
function doFunc(action,obj){
    var _eventObj = obj;
    switch (action){
        case "hidden":
                _eventObj.style.display='none';
            break;
        case "show":
                _eventObj.style.display='';
            break;
        default:
                _eventObj.style.display='';
            break;
    }
}
var timeComp = new setTimer("hidden_div",3000,"hidden")
</script>
<body onload="setTimer('a1',3000,'hidden');setTimer('a2',4000,'show')">
    <div id="a1">等3秒。。。载入中</div>
    <div id="a2" style="display: none">完成</div>
</body>
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<script> 
var _st = window.setTimeout; 
window.setTimeout = function(fRef, mDelay) { 
  if(typeof fRef == 'function'){ 
    var argu = Array.prototype.slice.call(arguments,2); 
    var f = (function(){ fRef.apply(null, argu); }); 
    return _st(f, mDelay); 
    } 
   return _st(fRef,mDelay); 
   } 
function func(id,dis){
  document.getElementById(id).style.display=dis;
  }
</script>
<body onload="setTimeout(func,3000,'a1','none');setTimeout(func,4000,'a2','');">
  <div id="a1">等3秒。。。载入中</div>
  <div id="a2" style="display: none">完成</div>
</body>
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复制代码
<script> 
function show(id,bshow,delay){
  setTimeout(function(){
    document.getElementById(id).style.display=bshow?'':'none';
    },delay);
  }
</script>
<body onload="show('a1',false,300);show('a2',true,400)">
  <div id="a1">等3秒。。。载入中</div>
  <div id="a2" style="display: none">完成</div>
</body>
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      <body onload="setTimeout('a1.style.display=\'none\'',3000);setTimeout('a2.style.display=\'\'',4000);">
    <div id="a1">Loading.......</div>
    <div id="a2" style="display: none">Complete !</div>
      </body>






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<html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    </head>
    <body>
        <div id="a1" onClick="setTimeout('a1.style.display=\'none\'',3000)">我三秒后要隐藏</div>
        
    </body>
</html>
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<div id="a1">我三秒后要隐藏</div>
<button onclick="hide()">点我</button>
<script>
function hide(){
setTimeout("a1.style.display='none'",3000);
}
</script>


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