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JavaScript gets the parameter value of the link address based on the parameter ID

Source: Internet
Author: User
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JavaScript Gets the parameter value of the link address based on the parameter ID
<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
<html xmlns= "http://www.jzread.com/1999/xhtml"
<head>
<meta http-equiv= " Content-type "content=" HTML; charset=gb2312 "/>
<title>javascript Gets the parameter value of the link address based on the parameter ID </title>
<script language=" JavaScript
//The parameter value of the link address based on the parameter ID
function Getthe_hrefvar (strvar)
{
 var the_urlvar= "0";
 if (Strvar)
 {
  if (DOCUMENT.LOCATION.SEARCH.SUBSTR (1))
  {
    var aparams = document.location.search.substr (1). Split (' & ');
   for (i=0 i<aparams.length; i++)
   {
    var Aparam = aparams[i].split (' = ');
    if (Aparam[0]==strvar)
    {
      the_urlvar = aparam[1];
&NBSP;    break;
    }
   }
  }
 }
 return The_urlvar;
}
//http://jzread.com/index.html?&id=22
var url = getthe_hrefvar (' id ');
alert (URL);//22
</ Script
</head>

<body>
</body>
</html>
 

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