Talks from our events
Vue.js Live 2024
Vue.js Live 2024
April 25 - 26, 2024
Node Congress 2024
Node Congress 2024
April 4 - 5, 2024
DevOps.js Conf 2024
DevOps.js Conf 2024
February 15 - 16, 2024
React Day Berlin 2023
React Day Berlin 2023
December 8 - 12, 2023
TestJS Summit 2023
TestJS Summit 2023
December 7 - 11, 2023
React Summit US 2023
React Summit US 2023
November 13 - 15, 2023
React Advanced Conference 2023
React Advanced Conference 2023
October 20 - 23, 2023
JS GameDev Summit 2023
JS GameDev Summit 2023
September 28 - 29, 2023
TypeScript Congress 2023
TypeScript Congress 2023
September 21 - 22, 2023
React Summit 2023
React Summit 2023
June 2 - 6, 2023
JSNation 2023
JSNation 2023
June 1 - 5, 2023
Vue.js London 2023
Vue.js London 2023
May 12 - 15, 2023
Trending today
Content Security Policy with Next.js: Leveling Up your Website's Security
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...
Raygui: An Immediate-Mode C UI for Wasm Tools Development
JS GameDev Summit 2023JS GameDev Summit 2023
19 min
Raygui: An Immediate-Mode C UI for Wasm Tools Development
raygui is a very lightweight immediate-mode UI intended for tools development, combined with raylib, it allows the creation of small high-performant wasm web tools. In this talk we will analyze this specific use case for tools development.
Building Multiplayer Applications with Cloudflare Workers & Durable Objects
Node Congress 2023Node Congress 2023
28 min
Building Multiplayer Applications with Cloudflare Workers & Durable Objects
Top Content
Durable Objects, part of the Cloudflare Workers platform, are the solution for strongly consistent storage and coordination on the edge. In this talk, you will learn about Durable Objects, why they are suited for collaborative use-cases, and how to build multiplayer applications with them!<...
5 Ways You Could Have Hacked Node.js
JSNation 2023JSNation 2023
22 min
5 Ways You Could Have Hacked Node.js
All languages are or were vulnerable to some kind of threat. I’m part of the Node.js Security team and during the year 2022, we've performed many Security Releases and some of them were really hard to think about.
Did you know you can make money by finding critical vulnerabilit...
Bringing React Server Components to React Native
React Day Berlin 2023React Day Berlin 2023
29 min
Bringing React Server Components to React Native
Top Content
React Server Components are new topic in community, bunch of frameworks are implementing them, people are discussing around this topic. But what if we could use React Server Components in React Native? And bring all optimisation features that RSC allows to mobile apps? In this talk I would presen...
Building a sophisticated CodePipeline with CDK in a Monorepo Setup
DevOps.js Conf 2024DevOps.js Conf 2024
8 min
Building a sophisticated CodePipeline with CDK in a Monorepo Setup
Many companies are going all-in AWS and thus adopting their complete CodeSuite for their CI/CD processes. However, while CodePipeline is the platform for this process, it may not be the most user-friendly. In a Monorepo setup, it's typical to create multiple CI/CD pipelines for each package. Howe...
Node.js startup snapshots
Node Congress 2023Node Congress 2023
28 min
Node.js startup snapshots
V8 provides the ability to capture a snapshot out of an initialized heap and rehydrate a heap from the snapshot instead of initializing it from scratch. One of the most important use cases of this feature is to improve the startup performance of an application built on top of V8. In this ta...
I Run Code From the Internet!
React Advanced Conference 2023React Advanced Conference 2023
20 min
I Run Code From the Internet!
Is it wise to run code from strangers? Well, we do it all the time and there's no backing out of it. Let's take a look at how a JavaScript project could get hacked and then defend itself from supply chain attacks. 
Limit access to globals for each package? Sure. Control...
AWS Lambda Performance Tuning
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...
Scaling Up with Remix and Micro Frontends
Remix Conf Europe 2022Remix Conf Europe 2022
23 min
Scaling Up with Remix and Micro Frontends
Top Content
Do you have a large product built by many teams? Are you struggling to release often? Did your frontend turn into a massive unmaintainable monolith? If, like me, you’ve answered yes to any of those questions, this talk is for you! I’ll show you exactly how you can build a micro frontend architect...
Featured
Short takes
Suspense for Data Fetching: How to Fetch During Render
React Summit US 2023React Summit US 2023
5 min
Suspense for Data Fetching: How to Fetch During Render
What is suspense for data fetching in React? Why does React's model make creating network requests during render so difficult? Why does (to the presenter's knowledge) no library besides Relay support this, despite its sheer convenience?
In this talk, Robert will discuss how Re...
Bringing Controversial Ideas to React
React Summit 2023React Summit 2023
8 min
Bringing Controversial Ideas to React
Join me in a thought-provoking discussion on Bringing Controversial Ideas to React.js, where we will explore some of the most debated topics in the React ecosystem. This talk delves into the concepts of mutability and observability in React and compares them to frameworks like Solid.js and Svelte...
The Path Through Legacy: Delicate Balance Between Tolerance and Phobia
React Summit 2023React Summit 2023
8 min
The Path Through Legacy: Delicate Balance Between Tolerance and Phobia
As a front-end teamlead, I was faced with the challenge of transitioning multiple legacy projects, which happened rapidly and was a painful process. One of the main issues I encountered was dealing with a legacy project that had no documentation. I had to figure out how to stabilize it, put it in...
Hacking JSX: Building in Minecraft with React
React Day Berlin 2023React Day Berlin 2023
7 min
Hacking JSX: Building in Minecraft with React
When combined with a custom rendering function, JSX can be used to quickly build a custom domain-specific markup language. I will show you how to approach this using the example of creating builds in Minecraft.
Code Signing React Native Apps
React Summit 2023React Summit 2023
7 min
Code Signing React Native Apps
You've built a React Native app and now it's time to get it in the hands of your users. If you're used to web, dealing with mobile-specific deployment issues can be a struggle. There are native build hardware and config requirements, signing certificates, app store approvals, app versions,...
Virtual DOM: Back in Block
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...
Using PKCE to Communicate Between React and Native Mobile SDKs
React Summit 2023React Summit 2023
8 min
Using PKCE to Communicate Between React and Native Mobile SDKs
It’s important to have a frictionless, secure, and performant authentication system for any app, be it web or mobile. In this lightning talk, Itai Hanski covers the importance of authentication and how the Descope team used PKCE to communicate between their React web app and native mobile S...
Making Impossible States with fp-ts and TypeScript in a React Application
React Summit 2023React Summit 2023
8 min
Making Impossible States with fp-ts and TypeScript in a React Application
Types and Functional Programming are a great combination to get feedback quickly about types that don't make sense and compose functionality to get a desired result. fp-ts is a very powerful library that provides the tools to work with types and functional programming in an outstanding way. Let’s...
Shield Your Next.js App With a Content Security Policy
React Advanced Conference 2023React Advanced Conference 2023
6 min
Shield Your Next.js App With a Content Security Policy
Learn why you should care about Content Security Policy (CSP) and how to implement it in a Next.JS application to level up your security layer. Understand CSP basics, directives, and their role in thwarting web attacks. Moving on to Next.js, the session will delve into implementation details, cov...
Hacking an e-Reader to Show My Tea Menu With JSX
React Day Berlin 2023React Day Berlin 2023
7 min
Hacking an e-Reader to Show My Tea Menu With JSX
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, JSX, and Deno, as well as rendering a custom cover page with SVG. Wow your friends by turni...
Latest
What's Hot On Tresjs V4
Vue.js Live 2024Vue.js Live 2024
20 min
What's Hot On Tresjs V4
A year has passed since TresJS was open-sourced at this very same conference, so in this talk, we are going to give a full update on what we have been cooking for v4 of the core, including new devtools, translated docs, a cookbook, new features and a lot of bug fixing.
The Swiss Army Knife of Every Vue Developer
Vue.js Live 2024Vue.js Live 2024
9 min
The Swiss Army Knife of Every Vue Developer
Composables (composition functions) are stateful/stateless functions that can leverage Vue's reactivity API, decoupling it from components. This shift in perspective opens the possibility for tackling common scenarios in a new and creative way.
Who Are Vue? Authn In Vue, The Important Parts
Vue.js Live 2024Vue.js Live 2024
23 min
Who Are Vue? Authn In Vue, The Important Parts
In the ever-evolving landscape of modern single-page applications, VueJS stands out but also presents us with challenges. Among them, authentication is crucial: ensuring the user's identity and securing their journey within your application. Fear not; we're here to guide you through these excitin...
We May Not Need Component Testing
Vue.js Live 2024Vue.js Live 2024
26 min
We May Not Need Component Testing
Testings are mandatory and unit tests are the foundation for building a good testing system for our project. But for front end projects which involve components, how many unit tests are considered efficient and not overkill? Should we use additional libraries like Testing Library or Vue Test Util...
Best Practices for Writing and Debugging Cypress Tests
TestJS Summit 2023TestJS Summit 2023
148 min
Best Practices for Writing and Debugging Cypress Tests
Workshop
Filip Hric
Filip Hric
You probably know the story. You’ve created a couple of tests, and since you are using Cypress, you’ve done this pretty quickly. Seems like nothing is stopping you, but then – failed test. It wasn’t the app, wasn’t an error, the test was… flaky? Well yes. Test design is important no matter what t...
Managing Large-Scale Node.js Projects with Monorepos
Node Congress 2024Node Congress 2024
19 min
Managing Large-Scale Node.js Projects with Monorepos
Unlock the secrets of managing Large-Scale Node.js Projects with Monorepos. Discover best practices, scalability strategies, effective code organization, and collaboration tools for streamlined development on a larger scale. Join me for insights that turn project management challenges into opport...
Managing React State: 10 Years of Lessons Learned
React Day Berlin 2023React Day Berlin 2023
16 min
Managing React State: 10 Years of Lessons Learned
Managing React state is hard. Why? Because there are so many options to consider! Local state, reducers, custom hooks, context, and over a dozen third-party libraries. In this session, we’ll explore the lessons I’ve learned from managing complex state in React over the last seven years. I’l...
Milo, a New HTTP Parser for Node.js
Node Congress 2024Node Congress 2024
23 min
Milo, a New HTTP Parser for Node.js
Node.js HTTP parsing currently relies on llhttp, a parser which provides very good performance but has currently some challenges for the health of the runtime.Is it possible to create a modern, maintenable, well documented, secure and performant alternative? Yes it is!Let me introdu...
6 Levels of Reusability
Vue.js Live 2024Vue.js Live 2024
23 min
6 Levels of Reusability
Master the art of making your components highly reusable. The 6 Levels of Reusability show us how we can progressively make our components more and more reusable — as needed — and include powerful patterns and tools to help us reuse our code more easily.
Building and Operating a Modern Composable Monolith
DevOps.js Conf 2024DevOps.js Conf 2024
19 min
Building and Operating a Modern Composable Monolith
It all started with the monolith’s fission into microservices. This set logical and physical boundaries, fusing the infrastructure and software dimensions. While microservices simplified how teams develop independently, it added extra complexities around performance, correctness, general manageme...
Popular
JavaScript
Build a powerful DataGrid in few hours with Ag Grid
React Summit US 2023React Summit US 2023
96 min
Build a powerful DataGrid in few hours with Ag Grid
WorkshopFree
Mike Ryan
Mike Ryan
Does your React app need to efficiently display lots (and lots) of data in a grid? Do your users want to be able to search, sort, filter, and edit data? AG Grid is the best JavaScript grid in the world and is packed with features, highly performant, and extensible. In this workshop, you’ll learn...
Game Development Patterns and Architectures in 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...
JavaScript Haikus: My Adventures in Tiny Coding
JS GameDev Summit 2023JS GameDev Summit 2023
27 min
JavaScript Haikus: My Adventures in Tiny Coding
Discover the art of crafting extremely small JavaScript programs. In this talk you’ll learn principles and techniques behind crafting compact yet powerful scripts that are shorter than this description! Dive into the captivating world of minimalist coding, where we use these scripts to conjure ar...
Zod === Typescript, but at Runtime in Your React Applications
React Summit 2023React Summit 2023
8 min
Zod === Typescript, but at Runtime in Your React Applications
In this talk, I want to show how we can use Zod to guarantee the type in a React Application at runtime. Environment variables, HTTP requests, forms and so on could create troubles in our applications, mainly if they contain unexpected types. Using Zod, we can create schemas to guarantee th...
Leveraging the Event Loop for Blazing-Fast Applications!
React Advanced Conference 2023React Advanced Conference 2023
35 min
Leveraging the Event Loop for Blazing-Fast Applications!
Some weeks ago I made my own implementation of signals, capable of updating 300k times the DOM in circa 600ms. Leveraging the Microtask Queue, I was able to bring that number down to 6ms, effectively improving performances by 100x. I wanna share how the Microtask Queue works and how you can lever...
Generating Typed Code
TypeScript Congress 2023TypeScript Congress 2023
22 min
Generating Typed Code
For the past six at Rollbar the engineering team has been working tirelessly to migrate our legacy application to a modern Javascript tech stack. We’ve leveraged Next.js, GraphQL and a number of other JS tools to ship more features, make our dev team happier and achieve an impressive 7-fold...
Unleashing Object Proxies: Building Type-Safe Wrappers for Anything
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...
Are the (module) types wrong?
TypeScript Congress 2023TypeScript Congress 2023
30 min
Are the (module) types wrong?
Have you ever installed a dependency, imported it just like the README instructs, and immediately been met with strange TypeScript errors about default imports, the output module format, or ESM/CommonJS interoperability? When everything works at runtime but TypeScript complains, you might w...
JavaScript Iteration Protocols
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...
Debugging JS
React Summit 2023React Summit 2023
24 min
Debugging JS
Top Content
As developers, we spend much of our time debugging apps - often code we didn't even write. Sadly, few developers have ever been taught how to approach debugging - it's something most of us learn through painful experience.  The good news is you _can_ learn how to debug effectively, and there's se...
React
Thinking in React Query
React Summit 2023React Summit 2023
22 min
Thinking in React Query
Top Content
In this talk, I'll explain React Query from a different perspective. After having maintained React Query for over two years and having answered many questions (often the same ones multiple times), I feel like there might be a fundamental understanding missing about the lib. I'll start with a quic...
Let's build a TV Spatial Navigation
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.
Zod === TypeScript, but at Runtime in Your React Applications
React Advanced Conference 2023React Advanced Conference 2023
20 min
Zod === TypeScript, but at Runtime in Your React Applications
Many Javascript developers have added typescript to their projects in the last few years. But how many of them are sure of their types at runtime? Can types be guaranteed on runtime too?
Using Zod that can be realized! Let's see together how we can use Zod to improve the awaren...
From Idea to Production: React Development with a Visual Twist
React Summit 2023React Summit 2023
31 min
From Idea to Production: React Development with a Visual Twist
WorkshopFree
Omer Kenet
Omer Kenet
Join us for a 3-hour workshop that dives into the world of creative React development using Codux. Participants will explore how a visually-driven approach can unlock creativity, streamline workflows, and enhance their development velocity. Dive into the features that make Codux a game-changer fo...
Concurrent React Made Easy
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...
Supercharging React Apps with WASM
React Summit 2023React Summit 2023
25 min
Supercharging React Apps with WASM
WASM has taken over the web-development scene in the past few years. It is a language that can be run by the web platform alongside with Javascript. Being treated as a target language, a variety of low-level, statically-typed languages such as C++ and Rust can be compiled to WASM. Thus, a variety...
Wait, You're Shipping React Native to the Web?!
React Summit US 2023React Summit US 2023
32 min
Wait, You're Shipping React Native to the Web?!
This talk focuses on building a production-grade consumer social application - https://guild.host . If you visit that site, would you be able to tell it's built using React Native just by looking and using it?

At a high level, Taz talks about what makes that possible and how the...
The Epic Stack
React Summit US 2023React Summit US 2023
21 min
The Epic Stack
Top Content
Modern web development is fantastic. There are so many great tools available! Modern web development is exhausting. There are so many great tools available! Each of these sentiments is true. What's great is that most of the time, it's hard to make a choice that is wrong. Seriously. The trade-offs...
Practice TypeScript Techniques Building React Server Components App
TypeScript Congress 2023TypeScript Congress 2023
131 min
Practice TypeScript Techniques Building React Server Components App
Workshop
Maurice de Beijer
Maurice de Beijer
In this hands-on workshop, Maurice will personally guide you through a series of exercises designed to empower you with a deep understanding of React Server Components and the power of TypeScript. Discover how to optimize your applications, improve performance, and unlock new possibilities....
Free workshops
AI on Demand: Serverless AI
DevOps.js Conf 2024DevOps.js Conf 2024
163 min
AI on Demand: Serverless AI
Top Content
Featured WorkshopFree
Nathan Disidore
Nathan Disidore
In this workshop, we discuss the merits of serverless architecture and how it can be applied to the AI space. We'll explore options around building serverless RAG applications for a more lambda-esque approach to AI. Next, we'll get hands on and build a sample CRUD app that allows you to store inf...
API Testing with Postman Workshop
TestJS Summit 2023TestJS Summit 2023
48 min
API Testing with Postman Workshop
Top Content
WorkshopFree
Pooja Mistry
Pooja Mistry
In the ever-evolving landscape of software development, ensuring the reliability and functionality of APIs has become paramount. "API Testing with Postman" is a comprehensive workshop designed to equip participants with the knowledge and skills needed to excel in API testing using Postman, a powe...
Authentication Beyond Passwords
React Day Berlin 2023React Day Berlin 2023
127 min
Authentication Beyond Passwords
WorkshopFree
Juan Cruz Martinez
Juan Cruz Martinez
Passwords have long been the keys to our kingdoms. However, they often become the weak points in our armor — forgotten, misused, or exploited. Our Next apps often make use of passwords to authenticate users, but what would a world with no passwords look like? And how we can start driving into tha...
Crash course into Astro and Storyblok
React Day Berlin 2023React Day Berlin 2023
119 min
Crash course into Astro and Storyblok
WorkshopFree
Arisa Fukuzaki
Arisa Fukuzaki
Headless architecture has gained immense popularity in recent years for its ability to decouple the frontend and backend, empowering developers to create engaging, interactive, and scalable web applications. 
In this workshop, we will quickly take a dive into the Headless World...
The Gateway to Backend: A Frontend Developer's Guide to Full-Stack Development
React Summit US 2023React Summit US 2023
160 min
The Gateway to Backend: A Frontend Developer's Guide to Full-Stack Development
Top Content
WorkshopFree
Amy Dutton
Amy Dutton
This workshop will guide you through the product development life cycle of creating a real-world web application. You will learn about React Server Components, building a design system within Storybook, and using frontend development to approach becoming a full-stack developer. The workshop will...
Advanced Application Deployment Patterns with React Server Components (feat. a DIY RSC Framework)
React Summit US 2023React Summit US 2023
104 min
Advanced Application Deployment Patterns with React Server Components (feat. a DIY RSC Framework)
Top Content
WorkshopFree
 Greg Brimble
Greg Brimble
The developer ecosystem is always moving fast and this year has proved no exception. React Server Components can offer a significant improvement to developer experience and to application performance. But I think it's fair to say that this new server-first paradigm can be tricky to wrap your head...
Build and Deploy Instant GraphQL APIs to the Edge
React Summit US 2023React Summit US 2023
55 min
Build and Deploy Instant GraphQL APIs to the Edge
WorkshopFree
Jamie Barton
Jamie Barton
Learn how to generate instant GraphQL APIs using a data source connector (GraphQL and non-GraphQL sources), extend and join them both with custom resolvers and deploy to the edge without leaving the code editor.
From Todo App to B2B SaaS with Next.js and Clerk
React Summit US 2023React Summit US 2023
153 min
From Todo App to B2B SaaS with Next.js and Clerk
WorkshopFree
Dev Agrawal
Dev Agrawal
If you’re like me, you probably have a million side-project ideas, some that could even make you money as a micro SaaS, or could turn out to be the next billion dollar startup. But how do you know which ones? How do you go from an idea into a functioning product that can be put into the hands of...
Monitoring 101 for React Developers
React Summit US 2023React Summit US 2023
107 min
Monitoring 101 for React Developers
Top Content
WorkshopFree
Lazar Nikolov
Sarah Guthals
2 authors
If finding errors in your frontend project is like searching for a needle in a code haystack, then Sentry error monitoring can be your metal detector. Learn the basics of error monitoring with Sentry. Whether you are running a React, Angular, Vue, or just “vanilla” JavaScript, see how Sentr...
Mastering advanced concepts in TypeScript
React Summit US 2023React Summit US 2023
132 min
Mastering advanced concepts in TypeScript
Top Content
Featured WorkshopFree
Jiri Lojda
Jiri Lojda
TypeScript is not just types and interfaces. Join this workshop to master more advanced features of TypeScript that will make your code bullet-proof. We will cover conditional types and infer notation, template strings and how to map over union types and object/array properties. Each topic...
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