#764 — December 5, 2025 Read on the Web JavaScript Weekly 🎉 JavaScript Turns 30 Years Old 🎉 Back in May 1995, a 33 year old Brendan Eich built the first prototype of JavaScript in just ten days, originally codenamed Mocha (and then LiveScript). On December 4, 1995, Netscape and Sun Microsystems officially announced ‘JavaScript’ in a
#603 — December 2, 2025 Read on the Web Tinybench 6.0: A Tiny, Simple Benchmarking Library — Uses whatever precise timing capabilities are available (e.g. process.hrtime or performance.now). You can then benchmark whatever functions you want, specify how long or how many times to benchmark for, and get a variety of stats in return –
#763 — November 28, 2025 Read on the Web JavaScript Weekly Over 150 Algorithms and Data Structures Demonstrated in JS — Examples of many common algorithms (e.g. bit manipulation, Pascal’s triangle, Hamming distance) and data structures (e.g. linked lists, tries, graphs) with explanations. Available in eighteen other written languages too. Oleksii Trekhleb et al. TypeScript: From
#602 — November 25, 2025 Read on the Web How a Summer in Abruzzo Helped Bring Type Stripping to Node.js — Node.js TSC member and committer Marco tells the personal tale of what it took to bring type stripping (now considered stable) to Node. It’s neat to get the back story. He’s now working on
#762 — November 21, 2025 Read on the Web JavaScript Weekly Google Announces Angular v21 — The Google team has gone all out with this significant release of its popular JavaScript framework. They’ve put together a retro game-themed adventure-based tour of what’s new, along with top notch videos showing off features like its new signal-based
#601 — November 18, 2025 Read on the Web Node.js v25.2.1 (Current) Released (and 25.2.0 with Type Stripping Marked ‘Stable’) — v25.2.0 was released hours after we hit send last week (often the way!) and marked type stripping as stable, meaning all major server-side runtimes now support TypeScript officially (at least in type-stripping form). v25.2.1,
#761 — November 14, 2025 Read on the Web JavaScript Weekly JavaScript Engines Zoo: Learn About Over 100 JS Engines — I’m a sucker for a big table of data and this is about as big as it gets when it comes to JavaScript engines. See how various engines compare, sort them by performance, or
#600 — November 11, 2025 Read on the Web Node.js Security Best Practices — Did you know the Node.js project maintains a page about security best practices organized around how to mitigate ten of the most significant vectors? Topics include networking weaknesses, timing attacks, supply chain attacks, and the monkey patching of intrinsics. Node Documentation 💡
#760 — November 7, 2025 Read on the Web JavaScript Weekly The Inner Workings of JavaScript Source Maps — Ever wondered how devtools can magically turn mangled, minified JavaScript back into readable source while debugging? Zero magic; that’s a source map doing its job. But how do source maps actually work under the hood? Manoj Vivek
#599 — November 4, 2025 Read on the Web Node v22 to v24 Migration Guide — Now that v24 is the new active LTS release, you might have code running on v22 you need to upgrade. The Node team has put together this helpful guide to the changes you’ll need to negotiate. There are similar