js获取url 参数

 window.getRequest = function (url) {
        var theRequest = new Array();
        if (url.indexOf("?") > -1) {
            var pair = url.substr(1).split("&");
            for (var i = 0; i < pair.length; i++) {
                var key = pair[i].split("=")[0];
                var value = decodeURI(pair[i].split("=")[1]);
                var item = { key: value}
                theRequest.push(item);
                //theRequest[pair[i].split("=")[0]] = decodeURI(pair[i].split("=")[1]);
            }
        }
        return theRequest;
    };