Category: next js

The Rsdoctor will see you now

March 21, 2025 By Mark Otto Off

Rsdoctor 1.0: An Analyzer for Rspack and Webpack — A one-stop, intelligent build analyzer making it easier to identify bottlenecks and optimize performance. It’s part of the same family of tools as Rspack (a Rust-powered web bundler) but is fully webpack compatible. If you’ve ever…

Can you understand this JavaScript?

March 14, 2025 By Mark Otto Off

A Perplexing JavaScript Parsing Puzzle — It looks deceptively simple – just 14 characters of JavaScript – but after working with JavaScript for 29 years, I got it wrong. A clue: it goes back to a browser-related quirk from 30 years ago.. Hillel Wayne TypeScript’s Compiler…

The current state of JavaScript on the Web

March 7, 2025 By Mark Otto Off

A Report on How the Web is Really Using JavaScript — Each year, the HTTP Archive puts together the Web Almanac, a report on the ‘state of the Web’. The JavaScript section has just gone live and goes into depth on how much JS we’re…

Doom for TypeScript types

February 28, 2025 By Mark Otto Off

✏️ Whenever we include more than a few links about TypeScript, we get complaints from people who don’t like it. We get that, we love you folks, and we’re aware. TypeScript isn’t our main focus but we do cover it, including critical pieces. That in…

The latest from TC39’s recent meeting

February 21, 2025 By Mark Otto Off

TC39 Advances 3 Proposals to Stage 4 — I love seeing Rob Palmer’s tweets about TC39’s progression of JavaScript proposals and this is a good roundup from this week’s meeting in Seattle. Areas covered include near-term features like Float16Array and import defer to more distant…

It’s time to go ESM-only

February 14, 2025 By Mark Otto Off

Style Observer: A Library to Observe CSS Property Changes — Lea Verou is a developer who’s easy to admire because whenever she sets out to solve a problem, the results are always fully formed with no cut corners. So it goes with this ‘exhaustively tested’ JS…

Oracle dabbles in some JavaScript comedy

February 7, 2025 By Mark Otto Off

There Are a Lot of Ways to Break Up Long Tasks in JavaScript — Due to how browsers and the event loop work, letting a single task hog the main thread is a quick way to freeze up your site’s UI. Alex explains the problem…

A WebAssembly compiler in 192 bytes

January 31, 2025 By Mark Otto Off

JavaScript: The Hard Parts — Take your knowledge to the next level with the most loved JavaScript course in the industry. Deepen your understanding of the most important aspects of JavaScript. This highly rated video course goes under the hood, looking at callbacks, higher-order functions,…

Bun’s on a roll with v1.2

January 24, 2025 By Mark Otto Off

🦖 ..and by no means should we forget Deno whose team have published a roundup of all of Deno’s progress in the past year. FlexGrid by Wijmo: The Industry-Leading JavaScript Datagrid — A fast and flexible DataGrid for building modern web apps. Key features and virtualized…

An introduction to building live collaborative JS apps

January 17, 2025 By Mark Otto Off

Protect Against Bots, Fraud, and Abuse in Real Time — With WorkOS Radar you can detect, verify and block harmful behaviour, protecting your app with advanced device fingerprinting. Stop fake signups, stop free tier abuse, and stop bot attacks and brute force attempts today. WorkOS A Checklist…