CORS error in HTML demo

[erayalkis]

Current Behavior

When loading up the HTML demo, a CORS error is thrown while loading the JS file.

Expected Behavior

The JS file in the HTML demo should be loaded without any problems.

Steps to Reproduce the Problem

1. Navigate to /demos/html
2. Launch the demo through index.html
3. Observe that you get a CORS error in the developer console, and all functionality is broken.

Environment

• Version: 1.12.0
• Platform: Linux
• Node.js Version: N/A