HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>dispatchEvent() — return</title>
</head>
<body>
  <pre id="out"></pre>
  <script>
    var target = new EventTarget();
    target.addEventListener("save", function (e) {
      e.preventDefault();
    });
    var allowed = target.dispatchEvent(new Event("save", { cancelable: true }));
    document.getElementById("out").textContent = String(allowed);
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

dispatchEvent() — preventDefault return (Try It)