HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Array fill() — flags</title>
</head>
<body>
  <h1>fill() — reset boolean flags</h1>
  <pre id="out"></pre>
  <script>
    (function () {
      var flags = new Array(8).fill(false);
      flags.fill(true, 2, 5);
      document.getElementById("out").textContent = JSON.stringify(flags);
    })();
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

JavaScript Array fill() — boolean flags (Try It)