A rather geeky/technical weblog, est. 2001, by Bramus
::view-transition-group(*) animations
If the dimensions of the ::view-transition-group(*) don’t change between the old and new snapshot you can optimize its keyframes so that it animates on the compositor.
By calling getBoundingClientRect before and after the snaphots are taken, you can get the before and after positions of the transtioned elements.
The animations track of a performance trace can now tell you why an animation was not composited.
So, you’ve found a custom easing function defined in JavaScript. Great! But how do you use that with the Web Animations API (WAAPI)? Turns out that’s more difficult than you’d first expect it to be.
Recently built a demo that demonstrated a specific animation. Only problem: if you missed it, you had no way of restarting it. Instead of forcing the visitor to reload the page, this little JavaScript-snippet – attached to a button click – did the trick: const restartAnimations = ($el) => { $el.getAnimations().forEach((anim) => { anim.cancel(); anim.play(); …
Continue reading “JavaScript: Restart all CSS Animations of an Element”
A new animation library, built on the Web Animations API for the smallest filesize and the fastest performance. import { animate } from “motion” const boxes = document.querySelectorAll(".box"); animate(boxes, { backgroundColor: "red" }); Motion One → Be sure to also read the “Improvements over WAAPI” page.
@scroll-timeline (Part 3)
🚨 UPDATE: The Scroll-Linked Animations Specification and its proposed syntax have undergone a major rewrite. This post details an older version of the syntax and has not been updated to reflect these changes. Do note that the concept of a Scroll-Linked Animation still stands, it’s only the syntax that has changed since writing this. Please …
Continue reading “The Future of CSS: Scroll-Linked Animations with @scroll-timeline (Part 3)“
Nice demo by Jhey in which he created a Pure CSS Stopwatch: See the Pen Pure CSS Working Stopwatch 😎 (@property) by Jhey (@jh3y) on CodePen. It uses a clever combination of CSS Animations, CSS Counters, and @property: Each digit gets its own CSS Animation with its own timing. Inside each animation the value of …