1<!doctype html> 2<html> 3<head> 4<title>Connect to a WebSocket server</title> 5<script type="text/javascript"> 6var protocol = location.protocol.replace('http', 'ws'); 7var url = protocol + '//' + location.host + '/count-connection'; 8 9// Do connection test. 10var ws = new WebSocket(url); 11 12ws.onmessage = function(e) { 13 document.title = (e.data === 'open: 1, closed: 1' ? 'PASS' : 'FAIL'); 14} 15 16ws.onclose = function() { 17 document.title = 'FAIL'; 18}; 19 20</script> 21</head> 22</html> 23