1 <!DOCTYPE html>
2 <html>
3 <head>
4 <meta charset="utf-8">
5 <title></title>
6 </head>
7 <body>
8 <p>
9 name:<span id="name"></span><br />
10 address:<span id="address"></span><br />
11 age:<span id="age"></span><br />
12 phone:<span id="phone"></span>
13 </p>
14 <p>
15 json数组1：
16 <span id="arrJson1"></span><br />
17 json数组2：
18 <span id="arrJson2"></span>
19 </p>
20 <p>
21 First Name: <span id="fname"></span><br />
22 Last Name: <span id="lname"></span><br />
23 </p>
24 </body>
25 <script type="text/javascript">
26 //普通json对象定义
27 var stus={
28 "name":"bill",
29 "address":"Shenzhen",
30 "age":25,
31 "phone":110
32 };
33 document.getElementById("name").innerText=stus.name;
34 document.getElementById("address").innerHTML=stus.address;
35 document.getElementById("age").innerText=stus.age;
36 document.getElementById("phone").innerText=stus.phone;
37
38 //json数组
39 var arrJson = {
40 "employees": [{
41 "firstName": "John",
42 "lastName": "Doe"
43 }, {
44 "firstName": "Anna",
45 "lastName": "Smith"
46 }, {
47 "firstName": "Peter",
48 "lastName": "Jones"
49 }]
50 }
51 document.getElementById("arrJson1").innerText=arrJson.employees[0].firstName +" "+ arrJson.employees[0].lastName;
52 document.getElementById("arrJson2").innerText=arrJson.employees[1].firstName +" "+ arrJson.employees[1].lastName;
53
54 //创建json语法的js字符串
55 var txt = '{ "employees" : [' +
56 '{ "firstName":"Bill" , "lastName":"Gates" },' +
57 '{ "firstName":"George" , "lastName":"Bush" },' +
58 '{ "firstName":"Thomas" , "lastName":"Carter" } ]}';
59 //eval() 函数使用的是 JavaScript 编译器，可解析 JSON 文本，然后生成 JavaScript 对象。必须把文本包围在括号中，这样才能避免语法错误：
60 var obj=eval("("+txt+")");
61 obj.employees[0].firstName=obj.employees[1].firstName;
62 obj.employees[0].lastName=obj.employees[1].lastName;
63 document.getElementById("fname").innerHTML=obj.employees[0].firstName;
64 document.getElementById("lname").innerHTML = obj.employees[0].lastName;
65
66 </script>
67 </html>
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