json To STR

    <script type="text/javascript">
        function JsonToStr(o) {
            var r = [];
            if (typeof o == "string" || o == null) {
                return o;
            }
            if (typeof o == "object") {
                if (!o.sort) {
                    r[0] = "{"
                    for (var i in o) {
                        r[r.length] = i;
                        r[r.length] = ":";
                        r[r.length] = JsonToStr(o[i]);
                        r[r.length] = ",";
                    }
                    r[r.length - 1] = "}"
                } else {
                    r[0] = "["
                    for (var i = 0; i < o.length; i++) {
                        r[r.length] = JsonToStr(o[i]);
                        r[r.length] = ",";
                    }
                    r[r.length - 1] = "]"
                }
                return r.join("");
            }
            return o.toString();
        }


        window.onload = function () {
            var str = '{ "people": [{ "firstName": "Brett", "lastName":"McLaughlin", "email": "aaaa" },{ "firstName": "Jason", "lastName":"Hunter", "email": "bbbb"},{ "firstName": "Elliotte", "lastName":"Harold", "email": "cccc" }]} ';
            alert(JsonToStr( eval('('+str+')')));

            // alert(eval(str));
            //alert(JsonToStr(str));
        }


    </script>