Session
HTML & CSS: Algorithms? A kata? Without JS? Really?
You’ve probably heard of FizzBuzz, the classic programming exercise often used to introduce katas. But have you ever solved it… using only HTML and CSS, without a single line of JavaScript?
Inspired by Lara Schenck’s work, I invite you to take on this challenge together, using a TDD approach with Playwright. I’ve already explored two solutions, and they completely changed the way I think about web integration and applied algorithmics. Maybe we’ll discover new ones together?
This talk is also an opportunity to question what defines a "real" programming language and to restore CSS to its rightful place. Often underestimated—sometimes even frustrating—CSS is actually incredibly powerful. You’ll leave inspired, surprised, and with a fresh perspective on HTML and CSS.
Subjects: HTML - CSS - tests - kata - Playwright
Duration: 60 minutes
Hosted at: Software Crafters Luxembourg 2023, SoCraTes France 2025
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