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js中的concat()

2022-06-25 04:00:00 【刘家奕_】

concat()

可以连接两个或多个数组，并将新的数组返回

-该方法不会对原数组产生影响

<!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 arr = ["孙悟空", "猪八戒", "沙和尚"];
      var arr2 = ["白骨精", "玉兔精", "蜘蛛精"];
      var arr3 = ["二郎神", "太上老君", "玉皇大帝"];
      var result = arr.concat(arr2, arr3, "刘家奕");
      console.log(result);
    </script>
  </body>
</html>