A software developer from San Francisco managed to do what no one else did before, creating a fully-functional two-way chat using only CSS and HTML, completely ditching JavaScript in the process.

And if everything else fails, you can even directly insert content from CSS by using base64-encoded data strings, although smuggling in encoded data would hardly count as “generating HTML ...

Additional HTML and CSS has been added. Figure B. Using one of the examples available in jsFiddle ... he manages a team of developers and tackles a variety of development projects in his day job.