net/data/websocket/connect_check.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <title>test ws connection</title>
   5 <script type="text/javascript">
   6
   7 var href = window.location.href;
   8 var hostBegin = href.indexOf('/') + 2;
   9 var hostEnd = href.lastIndexOf(':');
  10 var host = href.slice(hostBegin, hostEnd);
  11 var portBegin = hostEnd + 1;
  12 var portEnd = href.lastIndexOf('/');
  13 var port = href.slice(portBegin, portEnd);
  14 var scheme = href.indexOf('https') >= 0 ? 'wss' : 'ws';
  15 var url = scheme + '://' + host + ':' + port + '/echo-with-no-extension';
  16
  17 // Do connection test.
  18 var ws = new WebSocket(url);
  19
  20 ws.onopen = function()
  21 {
  22   // Set document title to 'PASS'. The test observer catches this title changes
  23   // to know the result.
  24   document.title = 'PASS';
  25 }
  26
  27 ws.onclose = function()
  28 {
  29   // Set document title to 'FAIL'.
  30   document.title = 'FAIL';
  31 }
  32
  33 </script>
  34 </head>
  35 </html>