Convert a query string to object

queryStringToObject.js

    // convert queryString to params
    var params = {};
    window.location.search.replace(
        new RegExp("([^?=&]+)(=([^&]*))?", "g"),
        function(a, key, b, val) {
            var num = Number(val);
            if( !_.isNaN(num) && _.isNumber(num) ){
                val = num;
            } else {
                if(val==="true") {
                    val = true;
                }
                if(val==="false") {
                    val = false;
                }
            }
            params[key] = val;
        }
    );