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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, minimum-scale=1.0">
  <title>JS Bin</title>
</head>
<body>
  <div class="test-elements">
    <div class="capture-el">This calls setPointerCapture</div>
    <div class="empty"></div>
    <button disabled>Disabled button</button>
    <iframe srcdoc="Sandboxed iframe" sandbox></iframe>  
  </div>
  <table>
    <tr>
      <th>Misc</th>
      <th>Mouse</th>
      <th>Touch</th>
      <th>Pointer</th>
    </tr>
    <tr>
      <td class="misc-events"></td>
      <td class="mouse-events"></td>
      <td class="touch-events"></td>
      <td class="pointer-events"></td>
    </tr>
  </table>
</body>
</html>
 
const captureEl = document.querySelector('.capture-el');
const mouseEvents = document.querySelector('.mouse-events');
const touchEvents = document.querySelector('.touch-events');
const pointerEvents = document.querySelector('.pointer-events');
const miscEvents = document.querySelector('.misc-events');
​
function logEvent(event) {
  let col;
  
  if (event.type == 'click') {
    col = miscEvents;
  }
  else if (event.type.startsWith('mouse')) {
    col = mouseEvents;
  }
  else if (event.type.startsWith('touch')) {
    col = touchEvents;
  }
  else if (event.type.startsWith('pointer')) {
    col = pointerEvents;
  }
  
  log(col, event.type);
}
​
function log(col, val) {
  const lastLog = col.lastElementChild;
  
  if (lastLog && lastLog.querySelector('.name').textContent == val) {
    lastLog.querySelector('.count').textContent = Number(lastLog.querySelector('.count').textContent) + 1;
    return;
  }
  
  const div = document.createElement('div');
  div.innerHTML = `<span class="name">${val}</span> (<span class="count">1</span>)`;
  
  col.appendChild(div);
}
​
const events = [
  'click',
  'mousedown', 'mousemove', 'mouseup',
  'touchstart', 'touchmove', 'touchend',
  'pointerdown', 'pointermove', 'pointerup'
];
​
for (const type of events) {
  window.addEventListener(type, logEvent, true);
}
​
for (const type of ['pointerdown', 'mousedown']) {
  captureEl.addEventListener(type, event => {
    const el = event.target;
    
    if (el.setPointerCapture && event.pointerId) {
      log(miscEvents, 'setPointerCapture');
      el.setPointerCapture(event.pointerId);
    }
    
    if (el.setCapture) {
      log(miscEvents, 'setCapture');
      el.setCapture(true);
    }
  });
}
​
for (const type of ['pointerup', 'mouseup']) {
  captureEl.addEventListener(type, event => {
    const el = event.target;
    
    if (el.releasePointerCapture && event.pointerId) {
      log(miscEvents, 'releasePointerCapture');
      el.releasePointerCapture(event.pointerId);
    }
    
    if (el.releaseCapture) {
      log(miscEvents, 'releaseCapture');
      el.releaseCapture(true);
    }
  });
}
​
​
​
​
​
​
​
​
Output

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