W3C.js
It’s definitely not recommended to end a URL with .js, but it’s legitimate — maybe it’s the documentation of the w3c.js library.
The page should be built, with its dependencies, and appear in the sidebar.
A horse dependency:

It’s definitely not recommended to end a URL with .js, but it’s legitimate — maybe it’s the documentation of the w3c.js library.
The page should be built, with its dependencies, and appear in the sidebar.
A horse dependency:
