HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>touchcancel cleanup</title>
  <style>
    #pad {
      width: 260px; height: 120px; border: 2px solid #333;
      display: flex; align-items: center; justify-content: center;
      touch-action: none; user-select: none; background: #eee;
    }
    #pad.dragging { background: #cfe8ff; outline: 3px solid #06c; }
  </style>
</head>
<body>
  <div id="pad">Press &amp; drag</div>
  <p>
    <button type="button" id="start">Start drag</button>
    <button type="button" id="abort">Abort (cancel)</button>
  </p>
  <pre id="out">idle</pre>
  <script>
    var pad = document.getElementById("pad");
    var out = document.getElementById("out");
    function endDrag(reason) {
      pad.classList.remove("dragging");
      out.textContent = reason;
    }
    function startDrag() {
      pad.classList.add("dragging");
      out.textContent = "dragging…";
    }
    pad.addEventListener("touchstart", startDrag, { passive: true });
    pad.addEventListener("touchend", function () {
      endDrag("touchend · released");
    });
    pad.addEventListener("touchcancel", function () {
      endDrag("touchcancel · aborted");
    });
    document.getElementById("start").onclick = startDrag;
    document.getElementById("abort").onclick = function () {
      endDrag("touchcancel · aborted");
    };
  </script>
</body>
</html>

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Element touchcancel — drag cleanup (Try It)