joshmarinacci

pubnub.subscribe({channels: [channel]});
pubnub.addListener({
  presence: function(m){
    document.getElementById('occupancy').textContent = m.occupancy;
  }
});

joshmarinacci

pubnub.publish({ 
  channel : 'mouseMoves', 
  message : {
    x: 400,
    y: 200
  } 
});

joshmarinacci

Enter Chat and press enter
<div><input id=input placeholder=you-chat-here /></div>

Chat Output
<div id=box></div>

<script src=https://cdn.pubnub.com/sdk/javascript/pubnub.4.0.11.min.js></script>
<script>(function(){
      var pubnub = new PubNub({ publishKey : 'demo', subscribeKey : 'demo' });
      function $(id) { return document.getElementById(id); }