| <!doctype html> |
| <script> |
| let errorCode = -1; |
| |
| function sendRequest() { |
| let status = document.getElementById('status'); |
| |
| let xhr = new XMLHttpRequest(); |
| xhr.open("GET", "hung", false); |
| |
| status.textContent = 'Sending a request.'; |
| try { |
| xhr.send(null); |
| } catch (e) { |
| errorCode = e.code; |
| } |
| status.textContent = `Request completed. errorCode: ${errorCode}.` |
| } |
| |
| function getErrorCode() { |
| return errorCode; |
| } |
| |
| </script> |
| <body onload="sendRequest()"> |
| This page sends a synchronous XMLHttpRequest that will get cancelled.<br> |
| Status: <div id="status">Before sending the request.</div> |
| </body> |
