javascript - What is the websockets server location for this code? -

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i have socket.io client code has been tested work server. 

<script>      // create new websocket     var socket = io.connect('http://localhost:8000');     // on message received print data inside #container div     socket.on('notification', function (data) {     var userslist = "<dl>";     $.each(data.users,function(index,user){         userslist += "<dt>" + user.user_name + "</dt>\n" +                      "<dd>" + user.user_description + "\n" +                         "<figure> <img class='img-polaroid' width='50px' src='" + user.user_img + "' /></figure>"                      "</dd>";     });     userslist += "</dl>";     $('#container').html(userslist);      $('time').html('last update:' + data.time);   });

i tried use simple web socket client tester software. 1 using chrome extension "simple web socket client".

i need key in url websockets server. keyed in 

ws://localhost:8000/notification

it did not work. got "undefined" error. url should key in websockets server?

here relevant server code.

// creating server ( localhost:8000 ) app.listen(8000); var updatesockets = function(data) {   // adding time of last update   data.time = new date();   console.log('pushing new data clients connected ( connections amount = %s ) - %s', connectionsarray.length , data.time);   // sending new data sockets connected   connectionsarray.foreach(function(tmpsocket) {     tmpsocket.volatile.emit('notification', data);   }); };

edit:both server , client developed using socket.io


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