IoT data in JavaScript

Introduction

In my previous post Displaying real-time IoT data in IBM DOORS, I displayed IoT data in the DOORS Web Access hover over. This involved an investigation into how I would access IBM Foundation IoT data from JavaScript. My initial thoughts were this would be very easy, I will just use the Paho Js utility, though it didn't end up as straight forward as anticipated. Therefore the aim of this post is to make the process a little easier and highlight the gotchas I encountered.