Object.defineProperty1-陷入死循环 

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Object.defineProperty()</title>
  </head>
  <body>
    <script>
      // 三个参数（属性所在的对象，你要操作的属性，被操作的属性的特性）
      var geyao = {
        sex: "男",
        age: 18,
      };
      console.log(geyao,"geyao1")
   
      Object.defineProperty(geyao, "sex", {
     
        get: function () {
          console.log("读取时,get被触发");
  
          return this.sex
        },
        set: function (value) {
          console.log(value,"value");
         this.sex=value
        },

      });
      console.log(geyao.sex,"geyao2")
      
    </script>
  </body>
</html>

posted @ 2022-07-29 22:30  前端导师歌谣  阅读(72)  评论(0)    收藏  举报