Writing good benchmarks is hard. Even if you grasp the basics of performance timings and measurements, it’s easy to fool yourself: You weren’t measuring what you thought you were measur…| Read the Tea Leaves
The IntersectionObserver interface of the Intersection Observer API provides a way to asynchronously observe changes in the intersection of a target element with an ancestor element or with a top-level document's viewport. The ancestor element or viewport is referred to as the root.| MDN Web Docs
I’ve been doing web performance for a while, so I’ve spent a lot of time in the Performance tab of the Chrome DevTools. But sometimes when you’re debugging a tricky perf problem, …| Read the Tea Leaves
