createUrlFromObject.js

function toStringUrl(obj,parent) {
    "use strict";
    var url,el,param,k;
    
    parent = parent || '';
    url = [];

    for (k in obj) {
        
        el = obj[k];
        param = k;
        
        if (parent !== '') {
            param = parent + '[' + k + ']'
        }

        if (typeof el !== "object") {
            url.push(param + '=' + el);
        } else {
            url.push(toStringUrl(el,param));
        }
    }
    return url.join('&');
}