JSON.stringify() 是什么,以及解释如何在 JavaScript 中使用它?
JSON.stringify()
如果我们需要向 Web 服务器发送数据,则数据应为一个字符串。要将对象字面量更改为字符串,应使用 JSON.stringify() 方法。例如
例 1
<html>
<body>
<p id="demo"></p>
<script>
var obj = {name:"rekha", age:40, city:"newyork"};
var myJSON = JSON.stringify(obj);
document.getElementById("demo").innerHTML = myJSON;
</script>
</body>
</html>输出
{"name":"rekha","age":40,"city":"newyork"}例 2
<html>
<body>
<p id="demo"></p>
<script>
var obj = {"name":"ramesh","age":30,"family":
[{"mother":"geetha","father":"rao"}],"city":"berlin"};
var myJSON = JSON.stringify(obj);
document.getElementById("demo").innerHTML = myJSON;
</script>
</body>
</html>输出
{"name":"ramesh","age":30,"family":[{"mother":"geetha","father":"rao"}],"city":"berlin"}
广告
数据结构
网络
RDBMS
操作系统
Java
iOS
HTML
CSS
Android
Python
C 编程
C++
C#
MongoDB
MySQL
Javascript
PHP