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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>preventDefault official demo</title>
  <style>
    body { font-family: sans-serif; padding: 16px; max-width: 28rem; }
    a { color: #2563eb; }
    #log { margin-top: 12px; padding: 12px; background: #f1f5f9; border-radius: 6px; font-size: 14px; min-height: 2rem; }
  </style>
</head>
<body>
  <p><a href="https://example.com">Click this link</a></p>
  <div id="log">Click the link above.</div>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    $("a").on("click", function (event) {
      event.preventDefault();
      $("<div/>").append("default " + event.type + " prevented").appendTo("#log");
    });
  </script>
</body>
</html>

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jQuery event.preventDefault() — official demo (Try It)