hawkbit/site/static/slides/plugin/multiplex/client.js

(function () {
    var multiplex = Reveal.getConfig().multiplex;
    var socketId = multiplex.id;
    var socket = io.connect(multiplex.url);

    socket.on(multiplex.id, function (data) {
        // ignore data from sockets that aren't ours
        if (data.socketId !== socketId) {
            return;
        }
        if (window.location.host === 'localhost:1947') return;

        Reveal.setState(data.state);
    });
}());