After three years working on JavaScriptCore (JSC), I recently had the opportunity to work on optimizing one of our standard library functions for the first time. (more…)

The other day when i was writing an article for the Rest Operator one friend told me than one of my examples can be simplify by a function… (more…)

In this article, I’ll aim to explain both why I chose not to use any client-side JavaScript when building Swift by Sundell, and why I thought that it was important to emphasize that fact at the bottom of every page. (more…)

This is an excerpt from my new and updated APIs and Asynchronous JS pocket guide. Some APIs—like the Ron Swanson Quotes Generator and Random Dog—work by simply calling an endpoint. Others—like the New York Times and many endpoints for the GitHub API—requi... (more…)

The globalThis proposal introduces a unified mechanism to access the global this in any JavaScript environment. It sounds like a simple thing to polyfill, but it turns out it’s pretty hard to get right. I didn’t even think it was possible until Toon blew ... (more…)