HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>resizeBy() — button</title>
</head>
<body>
  <button type="button" id="resizeBtn">Resize window</button>
  <pre id="out"></pre>
  <script>
    function resizeWindow() {
      window.resizeBy(100, 50);
      document.getElementById("out").textContent = "Window grown by (100, 50).";
    }
    document.getElementById("resizeBtn").addEventListener("click", resizeWindow);
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

JavaScript resizeBy() — button click (Try It)