example.js

$(function(){
    'use strict';

    // Note: The socket isn't established until the first callback registration.
    const current_client = new NowPlayingClient({
        // Note that if you care about IE9, you need to make sure that this
        // is the same protocol scheme as your served site.
        server: 'http://nowplaying.publicradio.org' // Defaults to nowplaying.publicradio.org. Not needed in production code.
    });


        // Get the service from an attribute of this link.
        const service ="the-current";

        // Register the callback for a schedule change.
        var schedule_registration = current_client.register_callback(service, 'schedule', function(data) {
            var schedule_data = data.schedule[0];
            $('#scheduler-display').html(schedule_data.shows[0].name + ' with ' + schedule_data.people[0].name);
        });


        // Register the callback for a playlist change.
        var playlist_registration = current_client.register_callback(service, 'playlist', function(data) {
            var playlist_data = data.songs[0];
            $('#playlist-display').html(playlist_data.title + ' by ' + playlist_data.artist + ' from ' + playlist_data.album);
        });

    });