instantiate.html

<!-- Include the PubNub Library -->
<script src="https://cdn.pubnub.com/pubnub-ds-b2.js"></script>
 
<!-- Instantiate PubNub -->
<script type="text/javascript">
 
var PUBNUB_demo = PUBNUB.init({
  publish_key: 'Your Publish Key Here',
  subscribe_key: 'Your Subscribe key Here'
});
</script>