We spend years following best practices—and forget the fun! @MarquisdeGeek shows quirky internals, clever (ab)uses, and fundamentals to write smarter, playful code.

Register: london.cityjsconf.org

#CityJSLondon #JavaScript #WebDev #CodingFun #FrontendDev

Evyatar Alush - Let's Build React Context From Scratch in JS In this talk, we'll explore the capabilities of React's Context API and learn how to use its powerful features outside of React to declutter our code, reduce bloat, and simplify our functions' signatures. We'll make use of JavaScript fundamentals to build this API from scratch, and by the end of the

Learn how React’s Context API can declutter code and simplify app logic—then rebuild it from scratch for use in vanilla JS and Node. A fresh approach to cleaner, more efficient applications.

Learn all that from @evyataral

I still see some sponsors taking overly aggressive approaches at community events. When outcomes fall short, the conference is sometimes blamed. As we move into 2026, it’s worth remembering that communities exist for connection and trust, not transactions.

@chrisdemars.net pls dm me?

I got prepared lots for the next meetup @jsmonthlylondon.bsky.social @sveltesociety.dev - mince pie pizzas, xmas crackers and so much - great speakers @psyber.city @scottspence.dev so much you gotta be there

Register now geeks!
guild.host/events/jsmon...

We’re entering the AI age. How will it change how we work and create? Join me at Kariera.gr Developers Day in Athens, where I’ll share how tools like Figma and Playwright can boost productivity and transform workflows.
Register: resources.kariera.gr/events/devel...

#reactathens #microfrontends | CityJS Conferences We are putting one more #ReactAthens event, sponsored by Epignosis learning technologies and supported by kariera.gr At this event we got George Iliadis speaking about the various flavours of #micro...

www.linkedin.com/feed/update/...

If you are there might as well visit!

@cityjsconf.bsky.social

I have to post this! Respect to @vicqr9.bsky.social @reactalicante.es for hosting an amazing event whilst holding her baby for most of the time - respect to a mother and an organiser

Apologies to @thekitze.bsky.social we kept him hostage until he accepted to talk at the next version of #CityJSLondon event

Apologies JavaScript is ruthless 😂

Register now
london.cityjsconf.org

Great ending for the summer with an amazing event from @reactalicante.es so many memories and great people thanks everyone will miss you

Nice to see again @forbeslindesay.co.uk at React Alicante!

Hard day - my sisters cat Ezra passed away! She has been for my sister at her difficult times. I got stack on an elevator whilst getting the news :/

Had a great day at React Alicante! Gave my talk on using Figma & Playwright to improve project delivery at Foolproof & Zensar. Huge thanks to the organisers! 🙌 Slides: lnkd.in/ddRDEPZP

a man with a beard is holding a piece of paper and saying `` so ready ! '' ALT: a man with a beard is holding a piece of paper and saying `` so ready ! ''

My schedule from tomorrow

#reactAthens 🇬🇷 meetup tomorrow
@nodeland.dev 🇬🇧 workshop on Monday
@jsmonthlylondon.bsky.social 🇬🇧 meetup Tuesday
@reactalicante.es 🇪🇸 next week Friday

Full #community 4 events in 8 days in 3 countries

Organising Conferences at Scale with Aris, founder of CityJS YouTube video by Neciu Dan - The Señor Developer

🚨 New episode of Señors @ Scale!

🎙 With @arismarko.bsky.social (founder of @cityjsconf.bsky.social ) on organizing conferences at scale

🍕 Why meetups matter beyond pizza
📉 The 30% no-show rule
🤝 First-time speakers & community growth

🎧 Listen here:
▶️ youtu.be/2er1ackx6i4

JSMONTHLY JULY EVENT | Guild Jul 24th 6:00PM: This month we are hosting our event on Thursday, July 24th Four amazing speakers will share their insights: Melinda Seckin

Have you registered for the next meetup in London?

5 spots left to go in waiting list mode

guild.host/events/jsmon...

MCP Workshops Unlock the future of AI integration! Join Kent C. Dodds' live remote MCP workshops and master the Model Context Protocol for next-gen AI apps.

Running two live MCP workshops in July:
• MCP Fundamentals (July 16). Get started with the Model Context Protocol
• Advanced MCP Features (July 18). Dive into sampling, elicitation, and more for real AI apps

Both are remote, hands-on, and limited to 40 seats.

www.epicai.pro/events/works...

Rolldown | Rust bundler for JavaScript Fast Rust-based bundler for JavaScript with Rollup-compatible API

when i think about rolldown.rs and how it advertises a 'Rollup-compatible API' i think about the space shuttle and roman horses' butts astrodigital.org/space/stshor.... happy i got to build the chariot all those years ago

ReactJS Athens | Meetup Are you passionate about all things ReactJS? Do you love diving deep into code, sharing knowledge, and networking with like-minded developers? If so, ReactJS Athens is the perfect Meetup group for you...

So started today a React meetup in Athens www.meetup.com/meetup-group...

Well, no drones were harmed in the making of this shot 😅 Just me, some AI magic, and a couple of fancy filters. We’re a community—drones are luxury tech these days 😂

#Ακροπολη #javascript #AI #BudgetCreative #NoDroneNoProblem

This thing of - ask Google wasn’t enough now you have to ask ChatGpt or AI

Ανακάλυψε τη δύναμη των Angular Signals! ⚡ Μάθε πώς βελτιώνουν τις επιδόσεις και απλοποιούν τις ροές δεδομένων με APIs όπως linkedSignal & resourceApi από τον @prodromouf

Κάνε εγγραφή τώρα
athens.cityjsconf.org

It’s in your hand you are ok

Thank you Scott I am not doing on my own

Today @arismarko.bsky.social is orchestrating three warmup events for @cityjsconf.bsky.social

Friday he will be running around with his hair on fire (probably) for the CityJS conference

Can we just give a second for some appreciation for Aris 👏👏👏👏

We are two weeks away from the biggest London's #JavaScript conference with amazing speakers such as @kentcdodds @Rich_Harris @ScriptedAlchemy and so many more!

Register now - Price change on 15th of April
london.cityjsconf.org

in other 'conferences i am speaking at' news, i'll be at CityJS in a couple of weeks to talk about upcoming @svelte.dev developments that i think are going to be really cool

discounted tickets! ti.to/cityjsconf-l...

Changing the name to CityTS!

Master fluid UI performance! 🚀 Join our workshop to explore React Fiber, concurrent features, web performance APIs, and real-world optimizations for all network speeds. Improve UX at any scale! 💡

Upskill with this workshop
london.cityjsconf.org

🚀 Exciting news! We're partnering with @GreeceJS, the largest #JavaScript community in Greece! 🇬🇷

Join us as we bring Douglas Crockford & top speakers from Microsoft, Meta, AWS, & Google to Greece for two days of cutting-edge Web & Tech insights! 🔥

🎟️ Register now: athens.cityjsconf.org #CityJS