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JSON字符串和js对象转换

时间:2021-07-01 10:21:17 帮助过:28人阅读

js数据类型:

字符串、数字、布尔、数组、对象、Null、Undefined

js Object

var data = {
    "name":"yfs",
    "age":28,
    "boy":true,
    "language":["chinese", "english"],
    "address":{
        "provice":"shanxi",
        "city":"xian"
    }
};

JSON.stringify();

var jsonString = JSON.stringify(data);
console.log(jsonString);
console.log(typeof(jsonString));//结果:
 {"name":"yfs","age":28,"boy":true,"language":["chinese","english"],"address":{"p
rovice":"shanxi","city":"xian"}}//类型:stringvar a = '{"name":"yfs","age":28,"boy":true,"language":["chinese","english"],"address":{"p
rovice":"shanxi","city":"xian"}}';

JSON.parse();

var jsObject = JSON.parse(jsonString);console.log(jsObject);console.log(typeof(jsObject));//结果:{ name: 'yfs',
  age: 28,
  boy: true,
  language: [ 'chinese', 'english' ],
  address: { provice: 'shanxi', city: 'xian' } }  //类型:object

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