<script>
var a = { "name": "tom", "sex": "男", "age": "24" };//a是一个Json对象
var b = '{"name":"Mike","sex":"女","age":"29"}';//b是一个字符串
var aToStr = JSON.stringify(a); //将Json对象转换为字符串
var bToObj = JSON.parse(b); //将字符串转换为Json对象
debugger;
</script>