<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script type="text/javascript">
function User(name,age){
this.name = name;
this.age = age;
}
var u1 = new User("张三",18);
var u2 = new User("李四",20);
document.write("默认输入格式："+u1.name+" "+u1.age+"<br>");
var str = JSON.stringify(u1);
document.write("json格式："+str+"<br>");
var arr1 = new Array();
arr1[0] = u1;
document.write("json格式-数组："+JSON.stringify(arr1)+"<br>");
/* json串转对象 */
/* 此处要用单引号 */
var str = '{"name":"张三","age":18}';
var u3 = JSON.parse(str);
document.write("json格式转对象："+u3.name+"<br>");
var str1 = '[{"name":"张三","age":18},{"name":"lisi","age":15},{"name":"wangwu","age":19}]';
var userArray = JSON.parse(str1);
document.write("userArray长度："+userArray.length+"<br>");
</script>
</head>
<body>
</body>
</html>
