Nordic.js is an international two-day JavaScript conference taking place on 2-3 Oct 2025. Founded & organized by @jede, @javve & @martinaelm since 2014.
Stockholm
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”We want the animation to feel like it is going in the desired direction” - Tobias Ahlin about the new Page Transition API, or Shared Element Transitions, which is a proposal for a new web API that aims to enable native-like transitions between views in both SPAs and MPAs alike.
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“We want to enable teams to be secure by default” - Feross Aboukhadijeh (@feross) about the risks of using third-party packages and how we as a unity should become better at checking the open source code for vulnerabilities and supply chain attacks.
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”Communicating isn't just about speaking, it's also about listening.” - Emma Bostian (@EmmaBostian ) about how to communicate efficiently in cross-cultural teams, and how cultures differ in giving feedback, making decisions, trusting, and perceiving time.
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”Why is it so hard to make JavaScript fast?” - Tadeu Zagallo (@tadeuzagallo ) about how JavaScript Virtual Machine has evolved over the years. He also talked about how we can make our JavaScript faster by knowing how everything works ”under the hood”.
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Nordic.js retweeted
Here are the slides for my lightning talk at @nordicjs!
Talking about how Node.js Working Groups help maintain / improve the project and how to participate / join the conversation 💚
speakerdeck.com/ruyadorno/ad…
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”Exceptions are the worst way of dealing with errors” - Matthias Le Brun (@bloodyowl ) about handling complex UI code and the challenges with optionality, fallibility, and asynchronicity.
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Nordic.js retweeted
The venue at @NordicJS is beyond spectacular 💯 🌈 ⭐️
- The "booths" don't feel like booths. They're authentic and legit fun.
- The entire place is accommodating, colorful and very vivid
Organizers have really done it well @martinaelm @javve @jede @majaasperolind 👏🏽
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”I started the hard way, then I found the easy way and kept going the easy way.” - Charlie Gerard (@devdevcharlie ) demonstrates how to use motion detection for complex gestures to build interactive applications - in a few lines of JavaScript code.
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”The best debugging tool is knowing something well” - Jenn Creighton (
@gurlcode ) about debugging asynchronous JavaScript. She talks about common mistakes, why those mistakes are done, and how we can avoid them.
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Jessy Jordan (@jayjayjpg ) about the open-source value that an investment in JavaScript ecosystems provides to businesses on different levels.
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Colin Ihrig about Deno which is a JavaScript server-side runtime that touts web platform compatibility. The talk explores Deno's newest and most interesting features and how to get started.
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What an amazing first day!! Great talks and a fantastic audience 🥳 Now, it's time for day two!!
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“It just works” - Debbie O’Brien, @debs_obrien, about the developer testing tool Playwright which helps developers test their applications and get a simple view of how the application works
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”We have the power to save our future and to fuck it up” - Christian Landgren, @Landgren, about how developers can contribute to a sustainable society by implementing a few guiding principles.
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Nordic.js retweeted
So much fun giving my talk at #nordicjs. Audience were amazing. Loved the interaction and energy here. Excited to see more people join the @playwrightweb community and write more tests and have fun doing it 😍
ALT Me on stage with computers on the stage
ALT Me on stage with lots of people watching and my photo on the screen
ALT Me on stage and a photo of me on the screen
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Nordic.js retweeted
Anyone still looking to go to dinner with strangers at @nordicjs ? My group had two cancellations, so let me know 🤙🏼
#dinnerwithstrangers #nordicjs
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”React is mostly secure by default” but Liran Tal, @liran_tal, shows us how React applications get hacked in the real world and teaches us how to be more aware when developing.
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