9 New JavaScript Features in ES2025, by @w3cj.com (@syntax.fm):
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#ecmascript
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Bun v1.2.18: ReadableStream methods .text(), .json(), .bytes(), .blob(); and more
@jarredsumner
https://bun.sh/blog/bun-v1.2.18
Bun · Bun v1.2.18Fixes 52 issues (addressing 112 👍). ReadableStream text(), json(), bytes(), blob(), WebSocket client compression with `permessage-deflate`, `bun pm version`, reduced memory usage for large `fetch()` and `S3` uploads, faster `napi_create_buffer`, faster sliced string handling in native addons, `fs.glob` now matches directories by default, `net.createConnection()` now validates `options.host`, `http.ClientRequest#flushHeaders` now correctly sends the request body, `net.connect` `keepAlive` and `keepAliveInitialDelay` options are now correctly handled, `fs.watchFile` emits `stop` on next tick, `net.Server` handles promise rejections in connection listeners, `net.connect` throws `ERR_INVALID_IP_ADDRESS` for non-string lookup results, `fs.watchFile` now ignores access time, `bun:sqlite` updated to SQLite 3.50.2, Bun now reports as Node.js v24.3.0, `bun test` now fails when no tests match a filter, `bun install` is faster for packages using `node-gyp`, `Math.sumPrecise` is now available, Node.js compatibility improvements.
Rspack 1.4: running in the browser, smaller bundles, incremental by default, CssChunkingPlugin and more
https://rspack.rs/blog/announcing-1-4
rspack.rsRspackFast Rust-based web bundler
Babel 7.28.0: `babel.config.ts`, explicit resource management, discard binding proposal, and more
@babeljs
https://babeljs.io/blog/2025/06/30/7.28.0
babeljs.io · 7.28.0 Released: `babel.config.ts`, explicit resource management, and discard binding proposal · BabelBabel 7.28.0 is out!
JS1024: annual JavaScript golfing competition [deadline: July 19]
https://js1024.fun
30 Years of JavaScript: 10 Milestones That Changed the Web, by @ricmac (@TheNewStack):
https://thenewstack.io/30-years-of-javascript-10-milestones-that-changed-the-web/
#javascript #anniversaries #history #ecmascript #ajax #jquery #web2.0 #nodejs #npm #react #typescript #webassembly
The New Stack · 30 Years of JavaScript: 10 Milestones That Changed the WebFrom its 1995 creation at Netscape, to ECMAScript in 1997, to jQuery, Node.js and React in the 21st century, JavaScript has had a wild run.
Default parameters: Your code just got smarter
https://allthingssmitty.com/2025/06/29/default-parameters-your-code-just-got-smarter/
allthingssmitty.com · Default parameters: your code just got smarter - Matt SmithSay goodbye to manual fallbacks! Explore how JavaScript default parameters make your functions more robust, readable, and bug-free.
JSii: invoke TypeScript code from Python, Go, Java, C#, etc.
https://github.com/aws/jsii
GitHubGitHub - aws/jsii: jsii allows code in any language to naturally interact with JavaScript classes. It is the technology that enables the AWS Cloud Development Kit to deliver polyglot libraries from a single codebase!jsii allows code in any language to naturally interact with JavaScript classes. It is the technology that enables the AWS Cloud Development Kit to deliver polyglot libraries from a single codebase!...
30 years of JavaScript: 10 milestones that changed the web
@ricmac @TheNewStack
https://thenewstack.io/30-years-of-javascript-10-milestones-that-changed-the-web/
The New Stack · 30 Years of JavaScript: 10 Milestones That Changed the WebFrom its 1995 creation at Netscape, to ECMAScript in 1997, to jQuery, Node.js and React in the 21st century, JavaScript has had a wild run.
Worker Threads in Node.js: complete guide for multithreading in JavaScript
https://nodesource.com/blog/worker-threads-nodejs-multithreading-in-javascript
The NodeSource Blog - Node.js Tutorials, Guides, and Updates · Worker Threads in Node.js: A Complete Guide for Multithreading in JavaScriptIn this guide, you’ll learn everything you need to know about worker threads—how they work, when to use them, how to implement them
What’s the difference between ordinary functions and arrow functions in JavaScript?
@jrsinclair
https://jrsinclair.com/articles/2025/whats-the-difference-between-named-functions-and-arrow-functions/
jrsinclair.comWhat’s the difference between ordinary functions and arrow functions in JavaScript?Arrow functions (also known as ‘rocket’ functions) are concise and convenient. However, they have subtle differences compared to function declarations and function expressions. So how do you know which one to use, and when?
#Development
What’s new in ECMAScript 2025 · This year’s additions explained with examples https://ilo.im/1652j5
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#Programming #Coding #JavaScript #EcmaScript #EcmaScript2025 #WebDev #Frontend #Backend
pawelgrzybek.comWhat's new in ECMAScript 2025 | pawelgrzybek.com
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Paweł Grzybek
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Every year when the new version of ECMAScript is confirmed, I like to summarise the new additions with easy-to-follow, practical examples. Here you are, the one for 2025. Enjoy 
pawelgrzybek.comWhat's new in ECMAScript 2025 | pawelgrzybek.com
Mehr von Paweł Grzybek
Anyone know how to tell #JSDoc which #ECMAScript version to use?
I want to use Intl.NumberFormat.formatRangeToParts() but it doesn't know it. I'll check if its there and use a fallback anyway. #JavaScript #ES2021
#Development #Techniques
Top-level ‘await’ in ES modules · Write cleaner, more direct async code in modules https://ilo.im/164owq
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#Programming #Coding #JavaScript #EcmaScript #EsModules #AsyncCode #WebDev #Frontend #Backend #Guidelines
ilo.im · Using await at the top level in ES modules - Matt SmithModern JavaScript is evolving. Learn how top-level 'await' works, where to use it, and when to avoid it in your modules.
Ecma International approves ECMAScript 2025: What’s new?
2ality.com/2025/06/ecma... #ECMAScript2025 #ECMAScript #JavaScript
Ecma International approves EC...
2ality.comEcma International approves ECMAScript 2025: What’s new?On 25 June 2025, the 129th Ecma General Assembly approved the ECMAScript 2025 language specification (press release), which means that it’s officially a standard now. This blog post explains what’s new.