JavaScript Scroll Animation Tutorial | Web Animations API + ScrollTimeline

Published: 26 May 2022
on channel: Kevin Powell

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Scroll-based animations used to be pretty hard and usually meant turning to a library. With the Web Animations API and ScrollTimeline, it's now surprisingly easy to do!

🔗 Links
✅ The Polyfill: https://github.com/flackr/scroll-time...
✅ The Discord community:   / discord
✅ Doing this with CSS only (@scroll-timeline):    • Scroll-linked animations only using CSS?! ...
✅ Intersection Observers:    • Introduction to the Intersection Observer ...
✅ Bramus' interactive offset visualizer: https://codepen.io/bramus/pen/OJbZbaX
✅ Fantastic article by Bramus on this topic: https://css-tricks.com/scroll-linked-...

⌚ Timestamps
00:00 - Introduction
00:57 - Creating a scroll tracker - HTML and CSS
02:50 - The polyfill
03:55 - Creating a timeline for the scroll-tracker
06:34 - Attaching the timeline to the scroll-tracker
09:36 - Changing the scrollOffsets
10:20 - Animating only when an element is in the viewport
17:52 - Animating multiple elements
20:41 - Animating when the element is in different locations on the page

#css

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