JS or JQuery Get Query String Value

In JS:
var queryString = url.substring( url.indexOf('?') + 1 );
or

function queryString(keyName) {
    var query = window.location.search.substring(1);
    var vars = query.split('&');
    for (var i = 0; i < vars.length; i++) {
        var pair = vars[i].split('=');
        if (decodeURIComponent(pair[0]) == keyName) {            return decodeURIComponent(pair[1]);
        }
    }
    return null;
}

In JQuery:

Get Query String Vals:

e.g if the below mentioned is url with querystring

http://localhost/MyPage.aspx?Node1=9000%20&Node2=3000

var url = window.location.href; // or location.href
var Node1= null;
var Node2= null;

if (url.indexOf(‘?Node1=’) != -1)
{

Node1= $.query.get(‘Node1’);
 Node2= $.query.get(‘Node2′);

}

Script References for For $.query.get()  function :

<script type=”text/javascript” src=”jquery.query-2.1.7.js”></script>

<script type=”text/javascript” src=”jquery.rc4.js”></script