function getUrlQueryParams()
{
    var queryParams = {}, param;
    //http://example.com/?id=123456&name=amy
    //window.location.search="?id=123456&name=amy"
    var params = window.location.search.substring(1).split("&");
    for(var i = 0; i < params.length; i++)
    {
        param = params[i].split('=');
        queryParams[param[0]]=param[1];
    }
    return params;
}

var queryParams = getUrlQueryParams();
console.log(queryParams);