javascript数组克隆```html ```用递归实现深克隆用递归实现深克隆用递归实现深克隆用递归实现深克隆用递归

<!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 a = [1, 2, 3, 4];
      var b = [];


      //   用递归实现深克隆
      var g = [1, 2, 5, 6, [7, 8]];

      function deepClone(g) {
        var f = [];
        for (var i = 0; i < g.length; i++) {
          if (Array.isArray(g[i])) {
            f.push(deepClone(g[i]));
          } else {
            f.push(g[i]);
          }
        }
        return f;
      }
    </script>
  </body>
</html>