1 <!DOCTYPE html>
2 <html lang="en">
3 <head>
4 <meta charset="UTF-8">
5 <meta name="viewport" content="width=device-width, initial-scale=1.0">
6 <title>Document</title>
7
8 <script>
9 /*
10 JSON格式的语法
11 var personStr = '{"属性名":"属性值", "属性名":属性值, "属性名":{}, "属性名":["","",""], "属性名":[{},{},{}], ...:...}'
12 属性名必须用""，属性值如果是字符串，必须用""，数字可以不处理
13 */
14
15 //一个JSON格式的字符串
16 var personStr = '{"name":"张三", "age":20, "dog":{"dname":"小花", "dage":2}, "loveSingers":["张小明","王小东","李小红"], "friends":[{"fname":"李四"},{"fname":"王五"},{"fname":"赵六"}]}'
17 console.log(personStr)
18
19 //通过JSON.parse()可以将一个JSON串转换为一个对象
20 var person = JSON.parse(personStr)
21 console.log(person)
22 console.log(person.name)
23 console.log(person.dog.dname)
24 console.log(person.loveSingers[0])
25 console.log(person.friends[0].fname)
26
27 //通过 JSON.stringify() 将一个对象转换为JSON串
28 var personStr1 = JSON.stringify(person)
29 console.log(personStr1)
30
31 </script>
32
33 </head>
34 <body>
35
36 </body>
37 </html>
标签：console,log,08JSON,person,JSON,fname,格式,属性 From： https://www.cnblogs.com/IrVolcano/p/18074195