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JS get URL parameter

Source: Internet
Author: User
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<HTML><Body>enter HTTP://LOCALHOST/TEST/JS_URL.PHP?A1=AAA in the browser&A2=bbb&a3=CCC will pop up in turn AAA,BBB,CCC<Scripttype= "Text/javascript">//Method Onefunctiongetquerystring (name) {varReg= NewRegExp ("(^|&)"+name+"= ([^&]*) (&|$)"); varR=Window.location.search.substr (1). Match (REG); if(R!=NULL)returnunescape (r[2]); return NULL;}//Calling Methodsalert (getquerystring ("A1"); alert (GetQueryString ("A2"));//Method Twofunctiongetrequest () {varURL=Location.search;//gets the URL in the "?" String after the character    vartherequest= NewObject (); if(Url.indexof ("?") != -1) {        varStr=Url.substr (1); STRs=Str.split ("&");  for(varI= 0; I<strs.length; I++) {Therequest[strs[i].split ("=")[0]] =unescape (Strs[i].split ("=")[1]); }    }    returntherequest;}varRequest= NewObject (); Request=getrequest (); Alert (request['A3']);</Script></Body></HTML>

JS get URL parameter

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