demo/index.html

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<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <title>blockingElements polyfill test page</title>
  <script src="../node_modules/babel-polyfill/dist/polyfill.min.js"></script>
  <script src="../node_modules/wicg-inert/dist/inert.js"></script>
  <script src="../dist/blocking-elements.js"></script>

  <style>
    .container {
      border: 1px solid gray;
      padding: 10px;
      margin: 10px;
    }

    .blocking {
      outline: 9999px solid rgba(0, 0, 0, 0.5);
    }
  </style>
</head>

<body>

  <h1>blocking elements</h1>

  <div class="container">
    <label>
      <input type="checkbox" onchange="toggleBlockingElement(this)"> Make blocking element
    </label>
  </div>

  <div class="container">
    <label>
      <input type="checkbox" onchange="toggleBlockingElement(this)"> Make blocking element
    </label>
    <p>
      <input>
      <button>Button</button>
    </p>

    <div class="container">
      <label>
        <input type="checkbox" onchange="toggleBlockingElement(this)"> Make blocking element
      </label>
      <p>
        <input>
        <button>Button</button>
      </p>

      <div class="container">
        <label>
          <input type="checkbox" onchange="toggleBlockingElement(this)"> Make blocking element
        </label>
        <p>
          <input>
          <button>Button</button>
        </p>
      </div>
    </div>
  </div>

  <div>
    <p>
      Some inputs
    </p>
    <input>
    <input inert placeholder="inert input">
    <input>
    <input>
  </div>

  <p>
    Check these other demos:
    <ul>
      <li><a href="nytimes.html">lots of content</a></li>
      <li><a href="ce.html">with Custom Elements</a></li>
    </ul>
  </p>

  <script>
    function toggleBlockingElement(target) {
      var container = target;
      while (!container.classList.contains('container')) {
        container = container.parentNode;
      }
      if (!container) {
        return;
      }
      var checked = target.checked;
      container.classList[checked ? 'add' : 'remove']('blocking');
      document.$blockingElements[checked ? 'push' : 'remove'](container);
    }
  </script>
</body>

</html>