JQuery与Json转换

<script src="js/jquery-1.10.1.min.js"></script>
<script>
    $(function(){
        //javscript-object 转换为json对象
        var dog = {name:"hi",dob:new Date(),legs:[1,2,3,4]};
        var jsonStr = JSON.stringify(dog);
        console.log(jsonStr);
        //输出 {"name":"hi","dob":"2013-06-06T09:37:46.103Z","legs":[1,2,3,4]} 
        //JSON对象转换为javascript对象
        var jsonS = '{"myKey":"myValue"}';
        var data = jQuery.parseJSON(jsonS);
        console.log(data.myKey);
        //输出myValue 
    });
</script>