ECMAScript 2024; new Set methods; JS performance initiative; rounding errors; benchmarking tool

This Week In React - Keeps senior React devs up to date

thisweekinreact.com Partner

We keep over 40k mid/senior React devs up-to-date with the best news, articles, trends, and weak signals in 1email/week. Already read by Jack Herrington, Theo, Evan Bacon, Addy Osmani, Josh Comeau, and even React/RN core team members!

Ecma International approves ECMAScript 2024: What’s new?

2ality.com @rauschma@fosstodon.org

For each of the following new features, there is a brief explanation, a code example and a link to a longer explanation:
  • Grouping synchronous iterables
  • Promise.withResolvers()
  • Regular expression flag /v
  • New features for ArrayBuffers and SharedArrayBuffers
  • Ensuring that strings are well-formed
  • Atomics.waitAsync()

The JavaScript Set methods are now part of Baseline

web.dev @tropicadri@hachyderm.io

The following new Set methods (a feature that will be part of ECMAScript 2025) are now available in all major browsers:
  • Set.prototype.union(other)
  • Set.prototype.intersection(other)
  • Set.prototype.difference(other)
  • Set.prototype.symmetricDifference(other)
  • Set.prototype.isSubsetOf(other)
  • Set.prototype.isSupersetOf(other)
  • Set.prototype.isDisjointFrom(other)
A 2ality blog post covers these methods in more detail.

e18e (Ecosystem Performance): creating a community dedicated to JavaScript performance

e18e.dev @e18e@m.webtoo.ls

Quoting the e18e website:
  • e18e (Ecosystem Performance) is an initiative to connect the folks and projects working to improve JS packages performance.
  • We’d also like to provide visibility to the efforts of countless Open Source developers working to cleanup, levelup, and speedup our dependencies.
  • We invite you to get involved in the different projects linked from these pages, and to connect with others like-minded folks.

Handling JavaScript rounding errors in financial applications

www.robinwieruch.de github.com/rwieruch

ESBench: modern JavaScript benchmarking tool

esbench.vercel.app github.com/ESBenchmark

Videos of JSNation 2024 talks are online

portal.gitnation.org @gitnationorg@techhub.social

New versions

Rolldown v0.10.5: bundling TypeScript and more

github.com @hyf@webtoo.ls github.com/rolldown

Oxlint v0.5.0: new linting rules for JavaScript and TypeScript

github.com github.com/oxc-project

This email was sent to you. You can unsubscribe from this list here or update your preferences.

Older messages

ES2024 book; State of JS results; improving ESM; web build tool “Farm”; optimizing JS; property-base

Tuesday, June 25, 2024

We have 13 links for you - Stay up-to-date on JavaScript and tools Out now: “Exploring JavaScript (ES2024 Edition)” exploringjs.com @rauschma@fosstodon.org “Exploring JavaScript” is the new name of the

Better ESM experience; Node.js is here to stay; June TC39 meeting; Node.js test runner; MDN as...

Tuesday, June 18, 2024

We have 10 links for you - Stay up-to-date on JavaScript and tools How JavaScript is finally improving the module experience thenewstack.io @marypcbuk@hachyderm.io “Multiple long-term proposals

Prettier 3.3; Turborepo 2.0; Rspack v0.7.1; most popular language; ArrayBuffers; Promises; Corepack;

Tuesday, June 11, 2024

We have 11 links for you - Stay up-to-date on JavaScript and tools Prettier 3.3: better formatting for import attributes, property keys, template interpolations, etc. prettier.io github.com/

ESLint Configuration Migrator; Rspack v0.7; Deno 1.44; oxlint v0.4.2; Intl.DateTimeFormat;

Tuesday, June 4, 2024

We have 8 links for you - Stay up-to-date on JavaScript and tools Tired of handling a tech stack with REST, SQL, Webpack and 1000 other technologies? github.com Sponsor With its radically holistic

Symbols as WeakMap keys, Compression Streams

Monday, June 3, 2024

We have 3 links for you - Stay up-to-date on JavaScript and tools ECMAScript 2023 feature: symbols as WeakMap keys 2ality.com @rauschma@fosstodon.org This blog post answers two questions: What are

You Might Also Like

Daily Coding Problem: Problem #1486 [Medium]

Thursday, July 4, 2024

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by LinkedIn. Given a linked list of numbers and a pivot k , partition the linked list so

Ranked | Which Countries Have the Most Millionaires and Billionaires? 💰

Thursday, July 4, 2024

The US has more millionaires than Ireland has people. Here's a list of other countries with the most millionaires. View Online | Subscribe Voronoi: The App Where Data Tells the Story FEATURED STORY

Invest in the asset class predicted to grow $700 million by 2026

Thursday, July 4, 2024

iPhoneLife Logo Sponsored email sent by iPhone Life How Masterworks Aims to Beat the Art Market It's no secret that contemporary art prices have outpaced the S&P 500 by 64% over the last 28

Issue 322 - Non-employee testers review FSD v12.4.2

Thursday, July 4, 2024

View this email in your browser If you are just now finding out about Tesletter, you can subscribe here! If you already know Tesletter and want to support us, check out our Patreon page Issue 322 - Non

This Week in Rust #554

Thursday, July 4, 2024

Email isn't displaying correctly? Read this e-mail on the Web This Week in Rust issue 554 — 03 JUL 2024 Hello and welcome to another issue of This Week in Rust! Rust is a programming language

At the Forefront of AI Research: Multimodality, Agents, Open-Source LLM, and Beyond

Thursday, July 4, 2024

Top Tech Content sent at Noon! Tackle your credit card debt with 0% interest until nearly 2026 Read this email in your browser How are you, @newsletterest1? 🪐 What's happening in tech today, July 4

PHPWeekly July 4th 2024

Thursday, July 4, 2024

Curated news all about PHP. Here's the latest edition Is this email not displaying correctly? View it in your browser. PHP Weekly 4th July 2024 Hi everyone, This week's newsletter contains

Programmer Weekly - Issue 212

Thursday, July 4, 2024

View this email in your browser Programmer Weekly Welcome to issue 212 of Programmer Weekly. Let's get straight to the links this week. Quote of the Week "A language that doesn't affect

Web Tools #572 - CSS/HTML Tools, ChatGPT, Jamstack, Eleventy, CMS

Thursday, July 4, 2024

WEB VERSION Issue #572 • July 4, 2024 Advertisement Automate Your Agency A newsletter from the team at Adaptify, geared at small to mid-sized digital marketing agencies that are trying to get ahead in

Python Weekly - Issue 657

Thursday, July 4, 2024

View this email in your browser Python Weekly Welcome to issue 657 of Python Weekly. Let's get straight to the links this week. From Our Sponsor Get Your Weekly Dose of Programming A weekly