Retrieve the query string params as JS object

window.location.searchJSON.js

Object.defineProperty(location, 'searchJSON', {
    get: function() {
        var a = window.location,
            b = a.href.split('?'),
            c = a.search;
        return (c.slice(1) || (b.length > 1 && b[1]) || '').split("&").reduce(function(p, c) {
            return (c = c.split("=")) && (p[c[0]] = unescape(c[1])) && p
        }, {}) || {};
    },
    enumerable: false,
    configurable: false
});

//usage:
// window.location.searchJSON will retrieve an object containing the query string in JSON format
// http://test.com?hello=world&foo=bar will translate to { 'hello': 'world', 'foo': 'bar' }