HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>ismap — dynamic JS</title>
  <style>
    body {
      font-family: system-ui, sans-serif;
      margin: 0;
      padding: 1.5rem;
      background: #f8fafc;
      color: #334155;
      line-height: 1.7;
    }
    h1 { margin: 0 0 1rem; font-size: 1.25rem; color: #0f172a; }
    a { display: inline-block; }
    img { display: block; max-width: 256px; border: 1px solid #cbd5e1; border-radius: 8px; }
    button {
      display: block;
      margin-top: 0.75rem;
      font: inherit;
      padding: 0.45rem 0.85rem;
      border: 1px solid #cbd5e1;
      border-radius: 6px;
      background: #2563eb;
      color: #fff;
      cursor: pointer;
    }
    .status {
      margin-top: 0.75rem;
      font-size: 0.8125rem;
      color: #64748b;
      max-width: 480px;
    }
    code { background: #e2e8f0; padding: 0.1rem 0.35rem; border-radius: 4px; }
  </style>
</head>
<body>
  <h1>Toggle isMap property</h1>
  <a href="/html/tags/map">
    <img id="interactiveImage" src="/images/area-example.png" alt="HTML and CSS map — toggle ismap" width="256" height="256">
  </a>
  <button type="button" id="toggleBtn">Enable ismap (isMap = true)</button>
  <p class="status" id="status">ismap is currently off. Clicks follow the link normally.</p>

  <script>
    var img = document.getElementById("interactiveImage");
    var enabled = false;
    document.getElementById("toggleBtn").addEventListener("click", function () {
      enabled = !enabled;
      img.isMap = enabled;
      document.getElementById("status").textContent = enabled
        ? "isMap is true. Clicks send x,y coordinates to /html/tags/map."
        : "isMap is false. Clicks follow the link normally.";
      this.textContent = enabled ? "Disable ismap (isMap = false)" : "Enable ismap (isMap = true)";
    });
  </script>
</body>
</html>

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HTML ismap Attribute — Toggle isMap with JavaScript