1 <html>
2 <head>
3 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
4 <title>Insert title here</title>
5 <script type="text/javascript" src="js/prototype-1.6.0.3.js"></script>
6 <script type="text/javascript">
//字符串转换为json对象
var str = \'{"name":"tom","age":25}\';
var json = eval("("+str+")");
7 f2();
8
//以json格式创建js对象
9
function f1(){
10
var person = {\'name\':\'zs\',\'age\':22};
11
//alert(person.name);
12
var person2 = {\'name\':\'ls\',\'address\':{
13
\'city\':\'beijing\',
14
\'room\':2002
15
}};
16
//alert(person2.address.city);
17
var family = [{\'name\':\'zs\',\'age\':22},
18
{\'name\':\'ww\',\'age\':32}];
19
alert(family[0].age);
20 }
21
22
//怎样将一个符合json格式的字符串转变成js对象
23
function f2(){
24
var personDesc = "{\'name\':\'zs\',\'age\':22}";
25
//alert(typeof personDesc);
26
var person = personDesc.evalJSON();
27
//alert(person.age);
28
var familyDesc="[{\'name\':\'zs\',\'age\':22},{\'name\':\'ww\',\'age\':32}]";
29
var family = familyDesc.evalJSON();
30
alert(family[0].name);
31 }
32 </script>
33 </head>
34 <body style="font-size:30pt;">
35
36 </body>
37 </html>