If you opened the index.html file in Chrome directly, instead of serving it on a web server, you'll notice we've encountered an error. Check your developer console:
The issue here is that web browsers are not supposed to make AJAX requests to files on your computer. If they could, this would be a huge security flaw because any website could access files on your computer. Let's create a basic file server. To do this, you'll need to installNode.js (https://nodejs.org/en/). Once that's done, open your computer's Terminal:
- For Mac: command + Space, and then type terminal and hit Enter.
- For Windows: click Start, type cmd
