They published the data. You are free to use whatever JS library of your choice to do that. Then you can come back and post a Show HN, then someone else can comeback with their Show HN of how it was rewritten in Rust/Go/Lisp just for the lulz.

Hell, it's tuesday, so by monday, I expect a "did it in a weekend" SaaS allowing uploads of boring raw excel data and receive a nice UI for the mere exchange of them a permanent and irrevocable license to use the data for any purpose commercial or not.