Adam Argyle reminds us that Firefox is testing @custom-media, and shares some handy resources.

Sabrina Goldfarb, an engineer on GitHub Copilot, noticed something odd. She was getting great results from AI tools at GitHub, but the senior engineers around her kept saying the tools were terrible. Same models, wildly different experiences.

Sabrina Goldfarb, an engineer on GitHub Copilot, noticed something odd. She was getting great results from AI tools at GitHub, but the senior engineers around her kept saying the tools were terrible. Same models, wildly different experiences.

Soon we’ll be able to implement multiple, comma-separated borders and outlines for a single element.

Soon we’ll be able to implement multiple, comma-separated borders and outlines for a single element.

As a bit of a connoisseur of View Transitions and user of React, I’m naturally interested in the fact that React now has a <ViewTransition> element it ships directly (in a “Canary” pre-release).

As a bit of a connoisseur of View Transitions and user of React, I’m naturally interested in the fact that React now has a <ViewTransition> element it ships directly (in a “Canary” pre-release).

A quick warning about overscroll-behavior: contain.

A quick warning about overscroll-behavior: contain.

Putting a YouTube video inside a closed details element means it won't load until that details element is opened. We can use that.

Putting a YouTube video inside a closed details element means it won't load until that details element is opened. We can use that.

A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. Maintain your code quality with ease.

We often treat the browser like a canvas — a blank slate waiting for us to paint pixels. But this mental model is flawed. The browser isn’t really a painter; it’s a constraint solver.