JS gets the URL parameter value two ways _javascript skill

method One: Regular Analysis method

Copy Code code as follows:

function getquerystring (name) {
var reg = new RegExp ("(^|&)" + name + "= ([^&]*) (&|$)", "I");
var r = window.location.search.substr (1). Match (REG);
if (r!= null) return unescape (r[2]); return null;
}

Call Method:
Alert (getquerystring ("parameter name 1"); Alert (getquerystring ("parameter Name 2"));
Alert (getquerystring ("parameter name 3"));

Method Two

Copy Code code as follows:

<script language= "JavaScript" >
function Getrequest () {
var url = location.search; Get the "?" in the URL String after the character
var therequest = new Object ();
if (Url.indexof ("?")!=-1) {
var str = URL.SUBSTR (1);
STRs = Str.split ("&");
for (var i = 0; i < strs.length i + +) {
Therequest[strs[i].split ("=") [0]]=unescape (Strs[i].split ("=") [1]);
}
}
return therequest;
}
</Script>

Call Method:
<script language= "JavaScript" >
var Request = new Object ();
Request = Getrequest ();
var parameter 1, Parameter 2, parameter 3, parameter n;
Parameter 1 = request[' parameter 1 '];
Parameter 2 = request[' parameter 2 '];
Parameter 3 = request[' parameter 3 '];
Parameter n = request[' parameter n '];
</Script>