Talks from our events
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Node Congress 2024
April 4 - 5, 2024
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React Day Berlin 2023
December 8 - 12, 2023
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TestJS Summit 2023
December 7 - 11, 2023
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React Summit US 2023
November 13 - 15, 2023
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React Advanced Conference 2023
October 20 - 23, 2023
JS GameDev Summit 2023
JS GameDev Summit 2023
September 28 - 29, 2023
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TypeScript Congress 2023
September 21 - 22, 2023
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React Summit 2023
June 2 - 6, 2023
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June 1 - 5, 2023
Vue.js London 2023
Vue.js London 2023
May 12 - 15, 2023
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Node Congress 2023
April 14 - 17, 2023
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Node Congress 2024Node Congress 2024
10 min
How not(!) to Build Real-time Apps
Are you building a chat app, a way to see users’ online status or a real-time collaboration dashboard? All of these use cases have one thing in common: Somehow the user-facing application needs to be informed in real-time about events that happen on the backend of your application.I...
DevOps.js Conf 2024DevOps.js Conf 2024
23 min
Next-Level JavaScript Error Tracking with Sentry
Discover advanced techniques to track and resolve errors in JavaScript applications, using Sentry as a powerful ally. This session will explore the art of pinpointing issues before they hit users, streamlining your error-handling process, and enhancing application performance.
Node Congress 2024Node Congress 2024
18 min
Creating an HTTP Server from Scratch with Node-addon-api, Libuv, and Milo
Let's explore the magic behind Node.js and create a simple http server! We'll go step-by-step, understanding how libuv makes node asyncronous and how Milo helps our server parse HTTP request. We'll use node-addon-api to create the bridge between c++ and javascript....
Node Congress 2024Node Congress 2024
37 min
The Dark Side of Open Source
Join Feross, CEO of Socket, on a thrilling journey into the dark side of open source software. Come along for the ride as we explore the unseen risks lurking within everyday software dependencies. See firsthand how AI-driven solutions, specifically large language models, are helping us battle aga...
Node Congress 2024Node Congress 2024
29 min
Understanding Async Context
The AsyncLocalStorage API in Node.js is a powerful tool that has since been adopted across multiple runtimes. There is even an effort underway to standardize a variation of the API within JavaScript itself. But what is it? And more importantly, how does it work?
Node Congress 2024Node Congress 2024
17 min
Peace, Love and JavaScript
The stability and security of open source projects can be found in the people shaping the culture as much as the code they write. The Executive Director of the OpenJS Foundation will share lessons she learned along the way on how to build trust and transparency to minimize drama and overcome chal...
Node Congress 2024Node Congress 2024
14 min
Parsing Millions of URLs per Second
With the end of Dennard scaling, the cost of computing is no longer falling at the hardware level: to improve efficiency, we need better software. Competing JavaScript runtimes are sometimes faster than Node.js: can we bridge the gap? We show that Node.js can not only match faster competitors but...
Node Congress 2024Node Congress 2024
7 min
Observability Matters: Enhancing Performance of our Node Application with OpenTelemetry
Have you ever considered that when we encounter terms like observability and reliability, our initial instinct is usually to attribute them solely to SRE concerns? Yet, upon closer examination, one may realize that actually implementing observability is, in essence, more aligned with the domain o...
Node Congress 2024Node Congress 2024
25 min
AWS Lambda Performance Tuning
Have you ever wonder how to get the best out of your Lambda functions?If so, this talk will reveal the behind the scene one of the most popular serverless service and you will be exposed to a step by step guidance for optimizing your functions.During this session, I will walk you th...
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React Day Berlin 2023React Day Berlin 2023
9 min
Virtual DOM: Back in Block
Is the Virtual DOM pure overhead? In this tech talk, Aiden Bai explores the performance implications of the Virtual DOM in frameworks like React and presents an alternative approach called the \"block virtual DOM.\" Aiden delves into the origins of the Virtual DOM, its purpose in addressing...
React Day Berlin 2023React Day Berlin 2023
8 min
Deconstructing Distributed Tracing
Distributed tracing is a powerful technique that allows you to track the flow and timing of requests as they navigate through a system. By linking operations and requests between multiple services, distributed tracing provides valuable insights into app performance and helps identify bottle...
React Summit 2023React Summit 2023
6 min
How (The Heck) Did We End Up Here?!
Web development has changed significantly over the past 15 years, and we'll take a satirical look at how daunting it is for newcomers to get started nowadays. In doing so, we'll discuss what is necessary to build a full web application, and I will be going over most of the technology I pers...
React Advanced Conference 2023React Advanced Conference 2023
6 min
React Code Reviews in Open Source: Ensuring Quality and Collaboration
In this lightning talk, we will explore the significance of code reviews in open source projects, specifically within the React ecosystem. We'll discuss the benefits of code reviews for maintaining code quality, encouraging collaboration, and upholding project standards. By emphasizing effective...
React Advanced Conference 2023React Advanced Conference 2023
7 min
Hacking an e-Reader with React
I wanted to have a tea menu to show guests and for my own reference. Turns out e-Readers use so little power and can render HTML! I'll share how to generate an e-book with all your drinks with React using Deno, as well as rendering a custom cover page with SVG. Wow your friends by turning an old...
React Summit US 2023React Summit US 2023
9 min
Content Security Policy with Next.js: Leveling Up your Website's Security
In this talk, we'll explore the powerful security feature of Content Security Policy (CSP) and how it can be implemented in Next.js to bolster your website's defenses against common web attacks like Cross-Site Scripting (XSS) and data injection. We'll cover the basics of CSP, its benefits, and be...
Popular
JavaScript
JS GameDev Summit 2023JS GameDev Summit 2023
28 min
Game Development Patterns and Architectures in JavaScript
In the realm of game development, the right architecture and design patterns can make all the difference. This session delves into the world of game development patterns and architectures in JavaScript, offering a comprehensive exploration of the techniques and strategies used to create engaging...
JSNation 2023JSNation 2023
25 min
Pushing the Limits of Video Encoding in Browsers With WebCodecs
High quality video encoding in browsers have traditionally been slow, low-quality and did not allow much customisation. This is because browsers never had a native way to encode videos leveraging hardware acceleration. In this talk, I’ll be going over the secrets of creating high-quality videos i...
TypeScript Congress 2023TypeScript Congress 2023
30 min
Generating types without climbing a tree
How do you generate types dynamically? How do you write a script that creates some typescript code? The approach most people would recommend is to use Abstract Syntax Tree manipulations. I was working on a deadline to implement types for our OpenAPI client, and I would have missed our relea...
TypeScript Congress 2023TypeScript Congress 2023
16 min
Unleashing Object Proxies: Building Type-Safe Wrappers for Anything
You must or must not have heard of object proxies before, but have you ever understood how to use them? What the actual usecase of an object proxy is? In this talk, we will do a deep dive into object proxies, understanding how they work, and the kinds of things you can build using them. We...
Vue.js London 2023Vue.js London 2023
22 min
Let’s Get Visual - Visual Testing in Your Vue.JS Project
Visual testing compares the appearance of your application with a previous state. If changes become visible, you can allow them or not. So you or your testers have their eyes everywhere - without needing to check manually repeatedly. I've been using visual testing for a while, saving my neck a fe...
JSNation 2023JSNation 2023
27 min
JavaScript Iteration Protocols
How many ways do you know to do iteration with JavaScript and Node.js? While, for loop, for...in, for..of, .map(), .forEach(), streams, iterators, etc! Yes, there are a lot of ways! But did you know that JavaScript has iteration protocols to standardise synchronous and even asynchronous iteration...
React
JS GameDev Summit 2023JS GameDev Summit 2023
22 min
Game Development with ReactJS, CSS, and React Three Fiber
In this talk, I will share my experience in game development using ReactJS/CSS. We will explore how to make the most out of the component management provided by this library, along with the capabilities of CSS for creating an appealing user interface. Additionally, we will uncover how to leverage...
React Advanced Conference 2023React Advanced Conference 2023
29 min
How to Use Suspense and GraphQL with Apollo to Build Great User Experiences
For many app developers, GraphQL is instrumental in building great user experiences. With the introduction of React Suspense, developers have an ergonomic way to orchestrate loading states to improve upon the status quo. In this talk, the Apollo Client team will show you how we built a non-trivia...
React Advanced Conference 2023React Advanced Conference 2023
23 min
Concurrent React Made Easy
UI’s are composed of fast parts, and slow parts in terms of how responsive they are to user interaction. React's concurrent renderer decouples the fast parts from the slow parts by allowing us to render the slow parts in the background without blocking the fast parts, so that each part can respon...
React Day Berlin 2023React Day Berlin 2023
34 min
Let's build a TV Spatial Navigation
In this talk, I'll take you through my journey as I joined the team supporting our Smart TVs application and share my experience learning one of the most overlooked but essential pieces of functionality we have.
React Summit US 2023React Summit US 2023
29 min
React Server Components from Scratch
React server components (RSCs) are a huge paradigm shift for React. You might even ask if NextJS and server components are the same thing (spoiler: they're not!) This talk demystifies how RSCs *really* work outside the framework. We'll build our own Node server, hook up the RSC renderer by...
React Advanced Conference 2023React Advanced Conference 2023
26 min
Hydration, Islands, Streaming, Resumability… Oh My!
Our ecosystem can be overwhelming! First, we had the rise of SSR and SSG—and each had its own gigantic pile of frameworks and tools. Then partial hydration enabled us to hydrate only some of our components on the client, which we've seen in React Server Components. 
But what ab...
React Summit 2023React Summit 2023
11 min
Giving Superpowers to Your React Apps with Machine Learning
Have you ever questioned whether Javascript is a viable alternative to Python or R for creating machine learning models? After all, a 2019 survey by Stack Overflow found that Javascript is the language that developers use the most. Given that machine learning models like neural networks require a...
Node.js
DevOps.js Conf 2024DevOps.js Conf 2024
21 min
Guardians of the Applications: Conquering Node.JS App Monitoring
Ever struggled with monitoring in your Node.JS apps? Not anymore! By sharing the good, the bad, and the hair-pulling from our own experiences, I want to help you steer clear of monitoring chaos. We’ll see how truly knowing how your apps work help you have more focused monitoring. This allows you...
JSNation 2023JSNation 2023
22 min
ESM Loaders: Enhancing Module Loading in Node.js
Native ESM support for Node.js was a chance for the Node.js project to release official support for enhancing the module loading experience, to enable use cases such as on the fly transpilation, module stubbing, support for loading modules from HTTP, and monitoring.
While Commo...
Node Congress 2024Node Congress 2024
11 min
Understanding Package Resolution in Node.js
Everytime we import or require a package, we follow a set of rules to resolve the package. This talk will cover the different ways Node.js resolves packages and how to debug when things go wrong. We will also cover the new features in Node.js 20 that make package resolution faster and more reliab...
Testing
JSNation 2023JSNation 2023
19 min
Three Ways to Automate Your Browser, and Why We Are Adding a Fourth: WebDriver BiDi
A journey through overwhelming ways to automate browsers. Join Michael on a journey to see what happens behind the scenes of "await page.goto('https://example.com');" et. al. See what pros and cons each of the three ways of browser automation have.
Understand why we are adding...
TestJS Summit 2023TestJS Summit 2023
9 min
Visual Testing: Optimize Storybook and Win
One thing most people agree on is that UI's have multiple dimensions of complexity.Imagine you are at lunch with some of your team or family, and you get a Slack message that a portion of the site isn’t working.The Ad placement no longer loads on your money-generating news site that sees millions...
TestJS Summit 2023TestJS Summit 2023
27 min
Rise of the Robots
Discover the future of automated mobile application testing with a JavaScript-powered mechanical arm. During this talk we will explore the design, prototyping, and implementation of this cutting-edge solution, optimizing testing efficiency and precision on real mobile devices. We will also discus...
TestJS Summit 2023TestJS Summit 2023
29 min
No More Flaky Tests!
In this talk, you’ll learn what flaky tests are, the importance of deterministic tests, the collateral effects of non-deterministic tests, the motives why tests can become brittle, and finally, what to do (and what not to do) when you find flaky tests
TestJS Summit 2023TestJS Summit 2023
27 min
What I Learned About Software Quality From The 10 Most Popular Javascript Projects On Github
It is very common for teams to have code review processes and this usually happens through pull requests. Each comment represents a step towards improving the quality of the software, however, there is a wide variety of points of view. The seniority of the team, the team itself, the company, the...
TestJS Summit 2023TestJS Summit 2023
20 min
Revolutionizing JS Testing with AI: Unmasking the Future of Quality Assurance
"Revolutionizing JS Testing with AI: Unmasking the Future of Quality Assurance" is a forward-thinking talk that delves into the transformative power of AI in JavaScript testing. The presentation offers an enlightening exploration of AI Testing principles, practical applications, and future potent...
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