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awfrun
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javascript日期相减

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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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">

function SubstringDemo(){

   
   
      
  var   strDate1   =   "2010-07-21   03:03:00.0";      
  var   strDate2   =   "2010-07-22   04:05:00.0";      
  strDate1=strDate1.substring(0,strDate1.lastIndexOf(".")).replace(/-/g,"/");      
  strDate2=strDate2.substring(0,strDate2.lastIndexOf(".")).replace(/-/g,"/");      
  var   date1   =   Date.parse(strDate1);      
  var   date2   =   Date.parse(strDate2);      
  alert("strDate2与strDate1相差"+(date2-date1)/(60*60*1000)+"小时") ;    
  alert("strDate2与strDate1相差"+(date2-date1)/(60*60*1000*24)+"天") ;      
    
}


</script>
</head>

<body>

<p>测试javascript substring();</p>
<form id="form1" name="form1" method="post" action="">
  <label>
  <input type="button" name="button" id="button" value="js" onclick="SubstringDemo()" />
  </label>
</form>
<p>&nbsp;</p>
</body>
</html>

 

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