Promisify Scroll: Promise-Based Web Scrolling API

What this episode covers

The provided text describes a web platform initiative to modernize how browsers handle scrolling by having programmatic scroll methods return JavaScript Promises. Currently, functions like scrollTo() return no value, forcing developers to rely on unreliable hacks to determine when a smooth animation actually ends. This proposal, championed by Google's Blink team, allows scripts to efficiently await scroll completion, which simplifies tasks like sequencing animations or triggering analytics. While the feature is currently being prototyped in Chrome behind a development flag, it is already being integrated into official web standards to ensure future cross-browser compatibility. To maintain backward compatibility, the API is designed to resolve with a boolean value rather than rejecting, preventing errors if a scroll is interrupted by user interaction.

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