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Trung Yu at @cityjsconf Singapore, February 2026! Discover how the Temporal API tackles JavaScript’s long-standing Date problems, making time zones, scheduling and dates more reliable, predictable and easier to manage.

🎥 Watch: youtu.be/pQiDAXAAEiI

#JavaScript #TemporalAPI #WebDev #Singapore
Rethinking Time in JavaScript with Temporal // Trung Vo
This year marks the 30th anniversary of JavaScript, and we are still stuck with the same old Date object from the 90s. It uses zero-based months, only works with local time or UTC, and its parsing is inconsistent across environments. On top of that, it is mutable, which can lead to hard-to-track bug
youtu.be
August 25, 2026 at 2:06 AM
cityjsconf.bsky.social
🎤 Luciano Wu at CityJSConf Singapore, February 2026! Discover how he built Rettangoli from scratch, exploring the technical decisions and trade-offs behind a UI library, DSL, SPA framework and static site generator.

🎥 youtu.be/HmHG96X1vYg

#CityJS #JavaScript #Frontend #WebDev #Singapore
Rettangoli: My Experience Building a Frontend Framework from Scratch //Luciano Wu
Rettangoli is a frontend framework I built from scratch over two years, including: a UI library, a DSL for the view layer, the framework to build SPAs, and a static site generator. In this talk, I'll share the lessons learned from my journey building this framework from the ground up including all t
youtu.be
August 24, 2026 at 3:16 PM
cityjsconf.bsky.social
🎤 Steven Goodwin at CityJSConf London, April 2026! Watch his talk as he explores JavaScript, emerging technologies and innovative solutions across software and hardware. 🚀

youtu.be/eur8R3RG5N4

#CityJSConf #JavaScript #TechTalk #SoftwareEngineering #WebDev #LondonCommunity
Code Golf - Getting A Hole-in-One-(Liner) // Steven Goodwin
Steven Goodwin (London, England) has been involved in computing, science, and technology from an early age, building his first synthesizer while still in his teens. As a systems architect he designed and built global systems for Unilever, Playfish, and Third Space Learning using a wide range of lang
youtu.be
August 22, 2026 at 9:30 AM
cityjsconf.bsky.social
🚀 JavaScript + WebAssembly = a powerful partnership!

At CityJS New Delhi in Feb 2026, Aprajita Verma showed how JS + WASM can deliver faster, smarter web apps through AI, image processing & high-performance demos.

🎥 Revisit the talk!

#CityJSConf #JavaScript #WASM #AI
August 21, 2026 at 3:30 PM
cityjsconf.bsky.social
🌱 Can your website become more sustainable? @Vishnudhasan10 shows how carbon-aware apps adapt to cleaner energy. Watch his CityJS New Delhi 2026 talk and learn how to build greener, smarter web experiences. 🌍

🎥 youtu.be/qglhHfAEOqg

#Sustainability #GreenTech #JavaScript #CityJSConf
Carbon-Aware Coding: Dynamically Adapting UIs Based on Grid Intensity | Vishnudhasan Govindarajan
Your website has a carbon footprint. This talk shows how to build a Carbon-Aware web application that adapts its performance and complexity based on the cleanliness of the local power grid, making your app truly sustainable. About the Speaker Vishnu is a builder, speaker, and problem-solver passi
youtu.be
August 14, 2026 at 3:31 PM
cityjsconf.bsky.social
Harness the power of #JavaScript Proxies with @evyataral Discover how Proxies can solve real-world challenges, build a powerful assertion library step by step, and learn practical techniques you can apply to your own JavaScript projects.

watch: youtu.be/_xGXdy9Me0c

#WebDev #CityJSConf #TechTalk
Harness the power of JavaScript Proxies. -Evyatar Alush
Javascript Proxy is one of the lesser-known features introduced in ECMAScript 2015. In this session, we'll explore the benefits of using Proxies and discuss the types of problems they are best suited to solve. I'll share my own experience of using Proxies to create an assertion library for the Vest
youtu.be
August 10, 2026 at 9:15 AM
cityjsconf.bsky.social
The future of JavaScript is AI. 🚀

Watch @TejasKumar_ talk to see how UX is evolving from clicks to conversations, with practical demos and insights every JavaScript developer should know.

🎥 youtu.be/OwkZ-GMKtv8

#JavaScript #AI #WebDevelopment #Frontend #CityJSConf #SoftwareEngineer
The New UX - Tejas Kumar
UX is changing with AI, where we go from clicking on boxes that are questionably accessible to just speaking things into existence. This talk will showcase how the role of JavaScript developers is changing in the AI age with practical steps and live demos.
youtu.be
August 7, 2026 at 3:30 PM
neciudan.dev
🎟️ Conferences:

ZurichJS, single track and well run, 10% off with REACTJSBARCELONA_10 [@zurichjs] https://conf.zurichjs.com/

CityJS lands in Athens this October [@cityjsconf] 10% off https://ti.to/cityjs-conference/cityjsathens26/discount/REACTBARCELONA
August 2, 2026 at 7:30 AM
cityjsconf.bsky.social
⚛️ React apps shouldn't get harder to maintain as they grow. Join @tsevdos from @OrfiumMusic on 21 Oct at Epignosis to learn practical patterns for a cleaner state, smarter hooks, fewer bugs & scalable React apps.

🎟️ athens.cityjsconf.org

#React #JavaScript #WebDev #CityJSConf #Frontend
July 17, 2026 at 3:19 PM
cityjsconf.bsky.social
🎉 CityJS Athens Early Bird Tickets are LIVE! 👉 athens.cityjsconf.or...

🚨 Early bird ends 30.06.2026—don’t miss your chance to join the JS community in #Athens for talks, workshops & networking. Once it’s gone, it’s gone forever! Secure your spot today

#CityJSConf, #JavaScript, #AI , #webdev
CityJS Athens Tickets 2026 – JavaScript & AI Conference Passes
Get your tickets for CityJS Athens 2026, a leading JavaScript & AI conference. Join developers, attend workshops, and learn from top engineers.
athens.cityjsconf.org
June 20, 2026 at 3:30 PM
cityjsconf.bsky.social
🚀 HUGE speaker announcement!

@maxedapps is coming to #CityJSAthens 2026! Bestselling author, entrepreneur, and world-renowned instructor who has taught 3M+ developers worldwide.

This is one #conference you can't afford to miss!
🎟️ athens.cityjsconf.org

#CityJSConf #JavaScript #TechTalk
June 17, 2026 at 3:00 PM
cityjsconf.bsky.social
#NPM supply-chain attacks are on the rise. Join @psybercity to learn how to secure open-source packages, defend applications from malicious dependencies & protect AI agents from emerging threats in the JavaScript ecosystem.

🎟️ Tickets: athens.cityjsconf.org/

#cityjsconf #javascript #opensource
June 15, 2026 at 5:36 PM
cityjsconf.bsky.social
Frontend architecture is the real challenge. Coding is easy now—we rarely focus on it. In this workshop by @neciudan, we explore: microfrontends, server-driven UI, BFF, local-first, event-driven design, observability at scale. Build systems that scale.

Tickets: athens.cityjsconf.org/
#cityjsconf
June 15, 2026 at 6:00 AM
cityjsconf.bsky.social
with @tpiros, you'll build a real AI agent from scratch using TypeScript, understand the core agent patterns & leave with working code you can apply immediately. Perfect for developers exploring the next wave of AI applications.

Buy 🎟️ athens.cityjsconf.org
#CityJSConf #AI #JavaScript #Webdev
June 13, 2026 at 6:00 AM
cityjsconf.bsky.social
Functional Programming workshop for JavaScript developers

🚀 Learn FP step by step—from pure functions, recursion, closures to streams, monads, and category theory. Hands-on coding to turn complex ideas into practical skills for real-world use.

#CityJSConf #JavaScript #Frontend #Monads #WebDev
June 12, 2026 at 5:00 AM
nst.blue
Past week was packed! @JSMontly meetup, @cityjsconf London workshop, and a stage talk about how Module Federation ideas extend into AI orchestration, from module boundaries to federated AI specialists.

Thanks to everyone who joined and for all the conversations afterwards!
April 24, 2026 at 2:50 PM
mickeymarse.social.gfsc.studio.ap.brid.gy
I wasn't expecting to see a Freitag hand bag at @cityjsconf London today.

#cityjs
April 17, 2026 at 8:17 PM
lenalekkou.bsky.social
Today is the main event of CityJs London.

Don't forget to join the panel I'm participating in today.
See you there! @cityjsconf

#CityJSLondon #cityjsconf #WomenInTech #inclusiveTech
April 17, 2026 at 5:59 AM
lenalekkou.bsky.social
Arriving in London today!

Can't wait to see everyone!

#CityJSLondon #cityjsconf #CityJS #JavaScript @cityjsconf
April 16, 2026 at 5:59 AM
lenalekkou.bsky.social
CityJS London starts today!

If you're already in town, don't miss the free meetup.

See you there!

#CityJSLondon #cityjsconf #CityJS #LondonTech @cityjsconf
April 15, 2026 at 5:59 AM
rich-harris.dev
about to fly to london for @cityjsconf.bsky.social. you should come! unless you don't write javascript for a living in which case you probably shouldn't

anyway here's a 20% off link ti.to/cityjsconf-l...
promo card for cityjs with discount ticket link — https://ti.to/cityjsconf-london/cityjs-london-2026/discount/JSMONTHLY2026
April 12, 2026 at 4:51 PM
cityjsconf.bsky.social
UX is changing with AI — from clicking clunky interfaces to speaking commands naturally. 🚀
@tej.as shows how JavaScript developers can adapt with practical tips and live demos.

🎟️ Tickets: london.cityjsconf.org/

#AI #UX #JavaScript #software engineer #frontend #WebDevelopment #cityjsconf
April 12, 2026 at 7:24 AM
lenalekkou.bsky.social
I am truly honored to be part of the Women in Tech panel and share the stage with some truly talented women.

📅 15-17 April 2026
📍 Kensington Town Hall, London
🔗vist.ly/4xthj

#CityJSLondon #cityjsconf
April 9, 2026 at 6:04 AM
cityjsconf.bsky.social
We are thrilled to announce our #Diamond sponsor @tether for @cityjsconf They use technology to empower individuals, communities, cities and nations to become self-substainable, indipendent and free. Be unstoppable, together

Find out more https://tether.io
March 28, 2026 at 3:30 PM
jahir.dev
I'm enjoying #ReactParis! 😁
@BeJS_ @cityjsconf
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March 27, 2026 at 10:15 AM