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							- <!DOCTYPE html>
 
- <html lang="en">
 
- <head>
 
-     <meta charset="UTF-8">
 
-     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
-     <title>Document</title>
 
- </head>
 
- <body>
 
-     <script>
 
-         let person = {
 
-             name: '张三',
 
-             age: 18,
 
-             sex: '男',
 
-             school:"黑大"
 
-         }
 
-         // JSON.stringify 可以将对象类型转换为JSON字符串
 
-         var jsonRes = JSON.stringify(person);
 
-         console.log(jsonRes);
 
-         
 
-         // JSON字符串 常用作于数据传递 比如 后端向前端提供数据
 
-         let jsonStr = '{"name":"张三","age":18,"sex":"男","school":"黑大"}';
 
-         // JSON.parse 可以将JSON字符串转换为对象类型
 
-         let jsonObj = JSON.parse(jsonStr);
 
-         console.log(jsonObj);
 
-         // let [a,b,c,d] = jsonStr;
 
-         // console.log(a,b,c,d); 
 
-     </script>
 
- </body>
 
- </html>
 
 
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