JavaScript Scroll Animation Tutorial | Web Animations API + ScrollTimeline
Channel: Kevin Powell
Date: 2022-05-26

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-timeline
✅ The Discord community: https://discord.gg/nTYCvrK
✅ Doing this with CSS only (@scroll-timeline): https://youtu.be/mzKfetD9YrA
✅ Intersection Observers: https://youtu.be/T8EYosX4NOo
✅ Bramus' interactive offset visualizer: https://codepen.io/bramus/pen/OJbZbaX
✅ Fantastic article by Bramus on this topic: https://css-tricks.com/scroll-linked-animations-with-the-web-animations-api-waapi-and-scrolltimeline/

⌚ 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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