如何在JQuery/Javascript中把JS对象转换成JSON字符串

给定一个JS对象，任务是将其转换为JSON字符串。
使用JSON.stringify()方法：JSON.stringify()方法在javascript中允许我们采取一个JavaScript对象或数组，并从它创建一个JSON字符串。

语法:

JSON.stringify(value, replacer, space)

步骤:

将JSON对象存储到变量中。
在JSON.stringify()中传递该变量作为参数。
它将返回要转换为JSON字符串的值。

例子1： JavaScript对象被转换为字符串。

<!DOCTYPE html>
<html>
  
<head>
    <title>How to Convert JS Object
      to JSON String?</title>
    <script src="https://code.jquery.com/jquery-1.12.4.min.js">
  </script>
</head>
  
<body>
    <center>
        <h1 style="color:green;"> 
        GeeksForGeeks 
    </h1>
        <h3>How to Convert JS Object to JSON String?
    </h3>
        <h4>
        ----JSON Object----<br>
        {name: "Shubham", age: 21,
          Intern: "Geeksoforgeeks",
          Place:"Work from Home"}
    </h4> ----JSON String----
        <br>
        <script>
            // Sample JS object
            var geeks = {
                name: "Shubham",
                age: 21,
                Intern: "Geeksoforgeeks",
                Place: "Work from Home"
            };
  
            // Converting JS object to JSON string
            var gfg = JSON.stringify(geeks);
  
            document.write(gfg);
            /* Prints: {"name": "Shubham", "age": 21,
            "Intern": "Geeksoforgeeks",
            "Place":"Work from Home"}*/
        </script>
    </center>
</body>
  
</html>

输出:
如何在JQuery/Javascript中把JS对象转换成JSON字符串？

示例2：JavaScript对象被转换成字符串并生成警报信息。

<!DOCTYPE html>
<html>
  
<head>
    <title>How to Convert JS Object 
      to JSON String?</title>
    <script src="https://code.jquery.com/jquery-1.12.4.min.js">
  </script>
</head>
  
<body>
    <center>
        <h1 style="color:green;"> 
        GeeksForGeeks 
    </h1>
        <h3>How to Convert JS Object to JSON String?
    </h3>
        <h4>
        ----JSON Object----<br>
        {name: "Shubham", age: 21,
          Intern: "Geeksoforgeeks",
          Place:"Work from Home"}
    </h4>
        <button onclick="myFunction()">Click</button>
        <script>
            function myFunction() {
                // Sample JS object
                var geeks = {
                    name: "Shubham",
                    age: 21,
                    Intern: "Geeksoforgeeks",
                    Place: "Work from Home"
                };
  
                // Converting JS object to JSON string
                var gfg = JSON.stringify(geeks);
                var print = "----JSON String----";
                alert(print + "\n" + gfg);
                /* alert: {"name": "Shubham", "age": 21,
                "Intern": "Geeksoforgeeks",
                "Place":"Work from Home"}*/
            }
        </script>
    </center>
</body>
  
</html>

输出:
在点击按钮之前：。
如何在JQuery/Javascript中把JS对象转换成JSON字符串？
点击按钮后：。