
ES2026 Features Every Frontend Dev Should Know
ECMAScript 2026 is packed with features that change how you write JavaScript. From Iterator Helpers to Record and Tuple, here is what is landing and how to use it today.
AI tools for coding: Cursor, Copilot, Claude Code, v0, Bolt

ECMAScript 2026 is packed with features that change how you write JavaScript. From Iterator Helpers to Record and Tuple, here is what is landing and how to use it today.

Playwright isn't just for full-page E2E tests anymore. Learn how to use Playwright's component testing to test React components in a real browser with real rendering — no jsdom required.

React Suspense with streaming SSR lets you send HTML progressively, improving perceived performance. Learn how to combine Server Components, Suspense, and streaming to dramatically reduce TTFB.

Long AI coding sessions lose coherence as context windows fill. Learn to manage context strategically — what to include, what to summarize, and when to start a fresh session.

A practical comparison of Zustand, Jotai, and Redux Toolkit — bundle size, DX, performance, and when to pick each one.

Getting a perfect Lighthouse score isn't magic. It's a systematic process of eliminating render-blocking resources, optimizing assets, and fixing accessibility gaps.

Step-by-step: build a production-ready streaming AI chatbot with Vercel AI SDK 4 and Next.js 16 App Router. Covers real-time token streaming, persistent message history, error handling, and rate limiting.

TC39 decorators are now stable in TypeScript 5.0+. Learn how to use class, method, and field decorators with practical examples for logging, validation, and dependency injection.

pnpm workspaces are faster and leaner than npm or yarn equivalents, but the setup trips people up. This hands-on guide covers workspace linking, shared deps, version control strategies, and publishing flows so your monorepo just works.

React Suspense with streaming SSR lets you send HTML progressively instead of waiting for all data. Here's how to implement it in Next.js for dramatically faster page loads.

After a year of App Router in production, these 8 patterns consistently separate fast Next.js apps from slow ones: parallel routes, intercepting routes, streaming layouts, server action patterns, and more—with real code examples.

Turborepo is the fastest way to manage multiple packages in one repo—if you set it up right. This definitive 2026 guide covers workspace config, caching strategy, task pipelines, and remote caching so your monorepo stays fast as it grows.