HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Array flat() — depth 2</title>
</head>
<body>
  <h1>flat(2)</h1>
  <pre id="out"></pre>
  <script>
    (function () {
      var nested = [1, [2, [3, 4, [5]]]];
      var flattened = nested.flat(2);
      document.getElementById("out").textContent = JSON.stringify(flattened);
    })();
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

JavaScript Array flat() — depth 2 (Try It)