JS 解析JSON实现导序

var chartData = [
                        {
                            "online": '2013-10-23',
                            "new": 0.00,
                            "login": 0.00,
                            "active": 0.00    },
                        {
                            "online": '2013-10-22',
                            "new": 0.00,
                            "login": 0.00,
                            "active": 0.00    },
                        {
                            "online": '2013-10-21',
                            "new": 0.00,
                            "login": 0.00,
                            "active": 0.00    },
                        {
                            "online": '2013-10-19',
                            "new": 0.00,
                            "login": 0.00,
                            "active": 0.00    },
                        {
                            "online": '2013-10-18',
                            "new": 1.50,
                            "login": 1.50,
                            "active": 1.50    },
                        {
                            "online": '2013-10-17',
                            "new": 0.00,
                            "login": 0.00,
                            "active": 0.00    },

                        {
                            "online": '2013-10-16',
                            "new": 0.00,
                            "login": 0.00,
                            "active": 0.00    }
                    ];
                var list = new Object;
                var j = 0;
                for (var i = (chartData.length-1); i >-1 ; i--) {
                    list[j] = chartData[i];
                    j++;
                };

        for(var i in list){
                alert(JSON.stringify(list[i]));
        }    
　　JSON.parson();
        //alert(typeof(chartData));

parse用于从一个字符串中解析出json对象,如

var str = '{"name":"huangxiaojian","age":"23"}'

结果：

JSON.parse(str)

stringify()用于从一个对象解析出字符串，如

var
a = {a:1,b:2}

结果：

JSON.stringify(a)

"{"a":1,"b":2}"