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js中的for.....in函数

2022-06-21 19:44:00 【刘家奕_】

for.....in函数是起到对对象的打印作用

<!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>Document</title>
  </head>
  <body>
    <script>
      var obj = {
        name: "刘家奕",
        age: "19",
        sex: "男",
      };
      for (var n in obj) {
        console.log(obj[n]);
      }
    </script>
  </body>
</html>

for.....in函数、