| <!doctype html> |
| <title>Observe the connection from a closed tab "Going Away"</title> |
| <script> |
| 'use strict'; |
| |
| let protocol = location.protocol.replace('http', 'ws'); |
| let url = protocol + '//' + location.host + '/close-observer?role=observer'; |
| |
| // Do connection test. |
| let ws = new WebSocket(url); |
| |
| const id = setTimeout(() => { |
| console.log('close_observer.html had timeout'); |
| document.title = 'FAIL'; |
| }, 3000); |
| |
| ws.onmessage = e => { |
| clearTimeout(id); |
| console.log('close_observer.html got message: ' + e.data); |
| document.title = (e.data === 'OK' ? 'PASS' : 'FAIL'); |
| ws.onclose = null; |
| } |
| |
| ws.onclose = () => { |
| clearTimeout(id); |
| console.log('close_observer.html saw close with no message'); |
| document.title = 'FAIL'; |
| } |
| |
| </script> |
