Summary & Key Takeaways ​

• CSS pseudo-classes have long handled user interaction styling.
• New CSS features are expanding its ability to "listen" for states.
• This development blurs the traditional boundary with JavaScript events.
• CSS is becoming a more capable tool for interactive web experiences.
• It offers potential alternatives to JavaScript for certain UI behaviors.

Our Commentary ​

The idea of CSS taking on more interactive states is something we've been watching closely. Every time CSS can handle something that used to require JavaScript, it's a win for performance and simplicity. This article sounds like a good exploration of that evolving boundary. I'm all for less JavaScript where CSS can do the job.