> For the complete documentation index, see [llms.txt](https://cs4all-icm.gitbook.io/js-the-interactive-web/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cs4all-icm.gitbook.io/js-the-interactive-web/unit-5-simple-websockets-and-final-project/u5la4-tbd.md).

# U5LA4 \[TBD]