How To Get Query String Values In JavaScript

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We are familiar with getting Query String Values in Asp.Net code behind. But for getting the Query String Values in Javascript just follow these steps.

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By writing down the above code we can get the Query String Values In JavaScript.



function FetchQueryString(regKey)
{
                 
 regKey = regKey.replace(/[\[]/,"\\[").replace(/[\]]/,"\\]");
 
 var regexValue = new RegExp("[\\?&]"+regKey+"=([^&#]*)");
 
 var result = regexValue.exec(window.location.href);
 
 if(result == null)
 
 alert("The parameter is null");
 
 else alert(result[1]);
 
}