websocket basic

gistfile1.js

var connection = new WebSocket('ws://127.0.0.1:1337');
 
    connection.onopen = function () {
        // first we want users to enter their names
        input.removeAttr('disabled');
        status.text('Choose name:');
    };
 
    connection.onerror = function (error) {
        // just in there were some problems with conenction...
        content.html($('<p>', { text: 'Sorry, but there\'s some problem with your '
                                    + 'connection or the server is down.</p>' } ));
    };
 
    // most important part - incoming messages
    connection.onmessage = function (message) {
        // try to parse JSON message. Because we know that the server always returns
        // JSON this should work without any problem but we should make sure that
        // the massage is not chunked or otherwise damaged.
        try {
            var json = JSON.parse(message.data);
        } catch (e) {
            console.log('This doesn\'t look like a valid JSON: ', message.data);
            return;
        }
    }