<p>禁用整个页面的点击事件</p>

<button type="button" onclick="alert('弹窗')">
  button
</button>

<div>
  <button type="button" onclick="alert('弹窗')">
    button
  </button>
</div>

<div onclick="alert('div 1')">
  <div onclick="alert('div 2')">
    <button type="button" onclick="alert('弹窗')">
      button
    </button>
  </div>
</div>

<script>
  // 尝试删除这段代码看看点击 button 会发生什么
  window.addEventListener(
    'click',
    event => event.stopPropagation(),
    { capture: true },
  );
</script>