Posts tagged #javascript — Page 5

JavaScript is single-threaded, but that doesn't mean your UI has to freeze during heavy computation. Web Workers give you real parallel execution — here's how to use them well.

Vitest brings Jest-compatible testing to Vite projects with native TypeScript support, in-source tests, and a dramatically faster watch mode. Here's how to get started.

Astro 5 ships a redesigned Content Layer and a powerful Server Islands feature that brings dynamic personalization to static sites. Here's what changed and why it matters.

Bun is fast, ships with a bundler and test runner, and is Node-compatible. But is it actually worth switching your production backend or toolchain? Here's an honest take.

React 19 went stable in December 2024. Actions, the use() API, new hooks, and document metadata support are all production-ready. Here's what's worth adopting first.

Nuxt 4 brings a restructured project layout, improved data fetching, and a cleaner compatibility layer. Here's what to expect and how to migrate without pain.

Signals are already powering reactivity in Solid, Preact, and Angular. Now there's a TC39 proposal to bring them to the JavaScript language itself — here's what that means.

The View Transitions API lets you animate between page states with just a few lines of CSS and JavaScript. Here's how it works and where it shines.

You don't need a backend to run AI anymore. Transformers.js lets you run Hugging Face models directly in the browser or Node.js — here's how to get started.