Lessons Learned Rewriting a Sticky Detector
a day ago
- #CSS
- #Web Development
- #JavaScript
- The article discusses converting a 2014 JavaScript demo that used scroll events to make a search input stick to the top, into a modern CSS-based solution.
- Key modern CSS techniques include using `position: sticky` for sticking elements, container queries with `scroll-state` for detecting stuck states, and anchor positioning for precise placement of elements like a hamburger menu.
- The old demo inefficiently used JavaScript scroll event listeners and jQuery, while the new approach eliminates JavaScript for better performance and leverages HTML elements like `<search>` for accessibility.
- Anchor positioning allows elements like a menu icon to be positioned relative to a named anchor element without traditional constraints, and SVG is recommended over emojis for icons for better markup and control.