Scroll Timing API proposal#1222

Merged

mwjacksonmsft merged 19 commits intoMicrosoftEdge:mainfrom

nhelfman:user/nhelfman/scroll-timing-api

Jan 15, 2026

Commits on Jan 6, 2026

initial commit - scroll timing
Noam Helfman
committed

Commits on Jan 11, 2026

first pass in adapting to standard explainer.md format
Noam Helfman
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Enhance explainer.md with author details, participation links, and structured table of contents; outline goals and non-goals for the Scroll Timing Performance API.
Noam Helfman
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Add user research references and clarify dependencies in explainer.md
Noam Helfman
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Document alternatives considered for the Scroll Timing Performance API and clarify accessibility, internationalization, privacy, and security considerations.
Noam Helfman
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minor tweaks.
Noam Helfman
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Refactor smoothness score calculation for clarity and consistency in demo.html and polyfill.js
Noam Helfman
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Implement manual smooth scrolling for consistent behavior across browsers in demo.html
Noam Helfman
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added acknowledgements
Noam Helfman
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Load polyfill conditionally based on native PerformanceScrollTiming support
Noam Helfman
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Enhance demo.html to load polyfill asynchronously and dispatch event when API is ready
Noam Helfman
committed

Commits on Jan 15, 2026