JavaScript

Tutorials

Learning web extensions

Learning web extensions There was a point in time where I did a lot of conference speaking, and that died down quite a bit during the pandemic, but occasionally I will still talk to people about building stuff on the web. So I gave a talk titled “Expanding the browser ex...

ECMAScript proposal: RegExp escaping

ECMAScript proposal: RegExp escaping The ECMAScript proposal “RegExp escaping” (by Jordan Harband and Kevin Gibbons) specifies a function RegExp.escape() that, given a string text, creates an escaped version that matches text – if interpreted as a regular expression. This proposal i...

How to build a copy code snippet button and why it matters

How to build a copy code snippet button and why it matters If you’ve been watching my streams in 2025, you’ll know that I’m currently suffering from carpel tunnel syndrome. In an attempt to rest my hands and ease the pain, I have been trying to code, navigate the internet, and use my machine with my voice...

How to Write Cypress Tests That Don't Suck

How to Write Cypress Tests That Don't Suck Following best practices can significantly reduce the friction for end-to-end testing. Here's how to write Cypress tests that don't suck.At Atomic, we use Cypress for end-to-end testing on many projects. It’s a powerful tool that helps ensure our ...

Do I Need This Node Dependency? : Brian Muenzenmeyer

Do I Need This Node Dependency? : Brian Muenzenmeyer It's been exciting contributing to the nodejs.org website. It's a five-way intersection of technology, legacy choices, market forces, language, and people. Playing part-engineer, part-traffic cop through it all is rewarding and humbling. One of th...

Tutorial: publishing ESM-based npm packages with TypeScript

Tutorial: publishing ESM-based npm packages with TypeScript During the last two years, ESM support in TypeScript, Node.js and browsers has made a lot of progress. In this blog post, I explain my modern setup that is relatively simple – compared to what we had to do in the past: It is intended for packages...

Using Live Activities in a React Native App by Michael Hayes

Using Live Activities in a React Native App by Michael Hayes Live Activities are relatively new to the iOS ecosystem. They first appeared in iOS 16.1 back in 2022 and have proven to be one of the most engaging features introduced by Apple in recent years. Live Activities allow us to display real-time update...

Using Phoenix with React and Inertia | Dimitrios Lytras

Using Phoenix with React and Inertia | Dimitrios Lytras I love React. I've worked with various people and companies, and I've seen its power in action. I've also seen some of the worst things done with it, but fixing those buys "Little Dutch" toys for my daughter, so I have no complaints there. Jokes ...

Vite with TypeScript

Vite with TypeScript A brief walkthrough on how to upgrade Vite from JavaScript to TypeScript. The tutorial assumes that you have already created a React project with Vite in JavaScript. To use TypeScript in React (with Vite), install TypeScript and its dependencies i...

React Query - The Bad Parts | TkDodo's blog

React Query - The Bad Parts | TkDodo's blog In this talk, maintainer Dominik will explore the other side—the less favorable aspects of React Query and situations where it may not be the best fit. No library is perfect; every choice involves trade-offs. By the end of this talk, you'll have a...