servo_xhr_abort.html

<!DOCTYPE html>
<html>
<head>
  <title>Servo - XHR Race condition demo</title>
  <script>
    var i = 0;
    map = ["testb.txt","testc.txt"];
    function handleEvent(e) {
      if (e.target.readyState != 3) return;
      resp = e.target.response;
      e.target.abort();
      document.getElementById("loaded-res").textContent += resp + "---aborted";
      if (i >= 2) return;
      e.target.open("GET", map[i++], true);
      e.target.send();
    }

    var req = new XMLHttpRequest();
    req.onreadystatechange = handleEvent;
    req.open("GET", "testa.txt", true);
    req.send();

  </script>
</head>
<body>
  <h3 id="loaded-res">
  </h3>
</body>
</html>