Forgive me if I don't really know how to articulate this question, as I'm not sure how to describe the problem (new at this). I'm doing a coding boot camp with my brother. We're working on the same assignment.

The image is of some js code he wrote. I wrote the same exact line of code, we both saved it in the exact type of files and mine is all colored and registering fine in the browser. His is not. We have no idea why