computer-science
CSS-Native Parallax Effect
Key takeaways
- Parallax effects have a long history, and while there are countless ways and libraries to achieve them, a new CSS-native way was recently made possible with CSS Scroll-driven animation timelines.
- The usual recipe was a scroll event listener in Java Script, recalculating positions on every frame and nudging an element up and down.
- Scroll-driven animations handle all of that with CSS.
Parallax effects have a long history, and while there are countless ways and libraries to achieve them, a new CSS-native way was recently made possible with CSS Scroll-driven animation timelines.
The usual recipe was a scroll event listener in Java Script, recalculating positions on every frame and nudging an element up and down.
Scroll-driven animations handle all of that with CSS. Handling parallax animations with CSS has a few advantages: performance should be better as it runs it off the main thread, but my favorite part is the simplicity with which the whole thing becomes a small block of declarative styles, that can be applied with a single utility class. Here is the full code for the class:
Article preview — originally published by Hacker News. Full story at the source.
Read full story on Hacker News →
More top stories
Aggregated and edited by the Scoop newsroom. We surface news from Hacker News alongside other reporting so you can compare coverage in one place.
Editorial policy · Corrections · About Scoop