jQuery: Get URL Variable

gistfile1

$.urlParam = function(name){
    var results = new RegExp('[\\?&]' + name + '=([^&#]*)').exec(window.location.href);
    return results[1] || 0;
}
 
// example.com?param1=name&param2=&id=6
$.urlParam('param1'); // name
$.urlParam('id');        // 6
$.urlParam('param2');   // null
 
//example params with spaces
http://www.jquery4u.com?city=Gold Coast
console.log($.urlParam('city'));  
//output: Gold%20Coast
 
console.log(decodeURIComponent($.urlParam('city')));  
//output: Gold Coast