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Talks from our events
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
Node Congress 2023
Node Congress 2023
April 14 - 17, 2023
How to boost careernew nodejs featuresreact concurrent mode
Trending today
React Day Berlin 2023React Day Berlin 2023
157 min
Next.js for React.js Developers
Top Content
Workshop
In this advanced Next.js workshop, we will delve into key concepts and techniques that empower React.js developers to harness the full potential of Next.js. We will explore advanced topics and hands-on practices, equipping you with the skills needed to build high-performance web applications and...
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...
react native
Node Congress 2024Node Congress 2024
34 min
Making My Node.js API Super Fast
Node.js servers need to process a large number of requests concurrently as the scale grows.  A Node.js micro service which receives an API request needs to do multiple actions, like parsing JWTs, use caching, work with the databases and more. In this talk, Tamar will show strategies to improve yo...
node.jsapi development
Vue.js London 2023Vue.js London 2023
31 min
Image Optimization - Quick Win for Improving Performance in Vue & Nuxt Apps
Top Content
Improving Performance of Vue or Nuxt apps is not an easy task. However, there are some quick wins that you can implement easily that will drastically improve the performance of your website. One of such quick win is Image Optimization. In this talk, I will teach you how to optimize images on the...
performancevue 3nuxt.js
Node Congress 2024Node Congress 2024
83 min
Deep TypeScript Tips & Tricks
Workshop
TypeScript has a powerful type system with all sorts of fancy features for representing wild and wacky JavaScript states. But the syntax to do so isn't always straightforward, and the error messages aren't always precise in telling you what's wrong. Let's dive into how many of TypeScript's more p...
typescript
Featured
React Advanced Conference 2023React Advanced Conference 2023
22 min
Power Fixing React Performance Woes
Top Content
Next.js and other wrapping React frameworks provide great power in building larger applications. But with great power comes great performance responsibility - and if you don’t pay attention, it’s easy to add multiple seconds of loading penalty on all of your pages. Eek! Let’s walk through a case...
case studyperformancereact
React Advanced Conference 2023React Advanced Conference 2023
29 min
Raising the Bar: Our Journey Making React Native a Preferred Choice
At Microsoft, we're committed to providing our teams with the best tools and technologies to build high-quality mobile applications. React Native has long been a preferred choice for its high performance and great user experience, but getting stakeholders on board can be a challenge. In this talk...
case studyreact nativebuilders and founders
React Day Berlin 2023React Day Berlin 2023
21 min
React's Most Useful Types
Top Content
We don't think of React as shipping its own types. But React's types are a core part of the framework - overseen by the React team, and co-ordinated with React's major releases.In this live coding talk, we'll look at all the types you've been missing out on. How do you get the props type f...
typescript
JSNation 2023JSNation 2023
31 min
Building a Web-App: The Easy Path and the Performant Path. Why Are They Not the Same?
We use frameworks to make building our applications easier. Yet as the application scales, its performance suffers. There is no one thing, but rather a death by thousand cuts. Developers are under pressure, and they often choose the easy and quick path to deliver a feature rather than the perform...
performancebuilders and foundersscalability
TypeScript Congress 2023TypeScript Congress 2023
31 min
Making Magic: Building a TypeScript-First Framework
I'll dive into the internals of Nuxt to describe how we've built a TypeScript-first framework that is deeply integrated with the user's IDE and type checking setup to offer end-to-end full-stack type safety, hints for layouts, middleware and more, typed runtime configuration options and eve...
typescriptframeworksvuebuilders and foundersnuxt.jsdeep dive
Short takes
DevOps.js Conf 2024DevOps.js Conf 2024
8 min
Serverless Observability: Where SLOs Meet Transforms
This talk explores the use case of SLOs and transforms whilst migration to the serverless ecosystem. The talk starts by presenting the reasons why SLOs are important in the SRE/DevOps framework. It then analyses specific use cases of SLOs, the tools used for measuring the efficiency of SLOs and p...
serverlessobservability
JS GameDev Summit 2023JS GameDev Summit 2023
8 min
Increase the Performance of Your Games using Canvas
In this talk, we will dive deeper into the enormous potential of the HTML5 Canvas element as a tool for game development. Starting with an overview of the Canvas API and its graphics capabilities, we will look at the benefits for rendering 2D graphics for web games. Participants will gain insight...
game development
React Advanced Conference 2023React Advanced Conference 2023
7 min
Flashlight, a Lighthouse for Mobile Apps
The promise of Lighthouse is pretty cool, right? Visit any website, and with only a few clicks, you can get a performance score for it!Wouldn’t it be grand if we had the same thing for React Native apps? 
Well, you’re in luck! let me present our new open source tool call...
performancereact native
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...
case studycross-platformreact nativemobile apps
DevOps.js Conf 2024DevOps.js Conf 2024
8 min
Generating TypeScript with TypeScript
A deep-dive into how we automatically generate TypeScript definitions for the V8-based runtime that powers Cloudflare Workers. We'll give an overview of how we use the TypeScript compiler API, how we enhance auto-generated definitions with user-written overrides to improve ergonomics, and how we...
typescript
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...
cdklambdaawsmonorepos
React Advanced Conference 2023React Advanced Conference 2023
6 min
Implementation of Schedules and Timelines
Planby is a React based component for a quick implementation of Schedules, Timelines, Electronic Program Guide, Music/Sport events, Calendar Planner  and many more ideas.  It uses a custom virtual view which allows you to operate on a really big number of data. The component has a simple API that...
case studyadvanced
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...
web appsobservabilitydesktop apps
Latest
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?
api development
Node Congress 2024Node Congress 2024
83 min
Deep TypeScript Tips & Tricks
Workshop
TypeScript has a powerful type system with all sorts of fancy features for representing wild and wacky JavaScript states. But the syntax to do so isn't always straightforward, and the error messages aren't always precise in telling you what's wrong. Let's dive into how many of TypeScript's more p...
typescript
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.js
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
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...
node.jspackaging
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...
monorepos
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.js
Popular
React Summit Remote Edition 2021React Summit Remote Edition 2021
30 min
Let's Build React Query in 150 Lines of Code!
Top Content
Since React Summit last year, React Query has already become one of the most popular and powerful data fetching libraries for React. To celebrate, we'll be going behind the scenes to see how React Query actually works and even build our own useQuery hook in just 150 lines of code.
reactreact query
React Advanced Conference 2021React Advanced Conference 2021
31 min
Visualising React: Metaphors, Models, and Spatial Mediums
Top Content
All the React you've seen is presented one way: as a linear text file. There's good reason for this. Textual syntax is an ideal medium for constructing abstract logic. It's quick to write, informationally dense, and endlessly flexible. However, brevity has its downsides. What information ca...
react
React Summit 2023React Summit 2023
151 min
Designing Effective Tests With React Testing Library
Top Content
Featured Workshop
React Testing Library is a great framework for React component tests because there are a lot of questions it answers for you, so you don’t need to worry about those questions. But that doesn’t mean testing is easy. There are still a lot of questions you have to figure out for yourself: How many c...
best practicesreacttestingdeep dive
React Advanced Conference 2022React Advanced Conference 2022
30 min
Using useEffect Effectively
Top Content
Can useEffect affect your codebase negatively? From fetching data to fighting with imperative APIs, side effects are one of the biggest sources of frustration in web app development. And let’s be honest, putting everything in useEffect hooks doesn’t help much. In this talk, we'll demystify the us...
best practicesstate managementreact
React Advanced Conference 2023React Advanced Conference 2023
33 min
React Compiler - Understanding Idiomatic React (React Forget)
Top Content
React provides a contract to developers- uphold certain rules, and React can efficiently and correctly update the UI. In this talk we'll explore these rules in depth, understanding the reasoning behind them and how they unlock new directions such as automatic memoization. 
build toolsreactreact 19builders and founders
JSNation 2022JSNation 2022
36 min
Build a 3D Solar System with Hand Recognition and Three.js
Top Content
We live in exciting times. Frameworks like TensorFlowJS allow us to harness the power of AI models in the browser, while others like Three.js allow us to easily create 3D worlds. In this talk we will see how we can combine both, to build a full solar system, in our browser, using nothing bu...
tensorflowthree.js3d
JavaScript
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...
javascripttypescriptdeveloper experiencetypescript libraries
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...
javascriptbest practicestypescriptweb developmentsecurityscalability
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...
javascriptopen-source
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...
javascripttypescript librariesdeep dive
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...
javascriptcase studyperformanceweb development
JSNation 2023JSNation 2023
25 min
Pushing the Limits of Video Encoding in Browsers With WebCodecs
Top Content
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...
javascriptvideobrowser apiwebassemblystandards
React
React Advanced Conference 2023React Advanced Conference 2023
28 min
Patterns for Performance
When working with React it is important that we use the right tool for the right job. If not we will be missing out on the best performance and developer experience. While optimising AG Grid React Table we discovered a number of patterns that made significant improvements to the tables performanc...
patternsperformancereact
React Summit 2023React Summit 2023
56 min
0 to Auth in an hour with ReactJS
WorkshopFree
Passwordless authentication may seem complex, but it is simple to add it to any app using the right tool. There are multiple alternatives that are much better than passwords to identify and authenticate your users - including SSO, SAML, OAuth, Magic Links, One-Time Passwords, and Authenticator Ap...
authenticationweb developmentreactsecurity
React Advanced Conference 2023React Advanced Conference 2023
24 min
How to NOT use useEffect?
Top Content
Are you using React in your project? If so, you must used useEffect! Actually, it’s essential for many use cases, but there are instances where it might not be the best solution, and avoiding it can improve your application's performance.
In this talk, we will learn from experi...
patternsperformancereact
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...
typescriptreacttype safety
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...
graphqlreactreact 18apollo
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...
reactwebassembly
React Summit 2023React Summit 2023
23 min
React Concurrency, Explained
Top Content
React 18! Concurrent features! You might’ve already tried the new APIs like useTransition, or you might’ve just heard of them. But do you know how React 18 achieves the performance wins it brings with itself? In this talk, let’s peek under the hood of React 18’s performance features: - How React...
best practicesperformancereactreact 18deep dive
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...
reactreact 18concurrent rendering
Free workshops
DevOps.js Conf 2024DevOps.js Conf 2024
163 min
AI on Demand: Serverless AI
Featured WorkshopFree
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...
artificial intelligencearchitectureserverless
TestJS Summit 2023TestJS Summit 2023
48 min
API Testing with Postman Workshop
Top Content
WorkshopFree
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...
security testingtesting
React Day Berlin 2023React Day Berlin 2023
127 min
Authentication Beyond Passwords
WorkshopFree
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...
authentication
React Day Berlin 2023React Day Berlin 2023
119 min
Crash course into Astro and Storyblok
WorkshopFree
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...
astroheadless cms
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
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...
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
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...
React Summit US 2023React Summit US 2023
55 min
Build and Deploy Instant GraphQL APIs to the Edge
WorkshopFree
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.
React Summit US 2023React Summit US 2023
153 min
From Todo App to B2B SaaS with Next.js and Clerk
WorkshopFree
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...
React Summit US 2023React Summit US 2023
96 min
Build a powerful DataGrid in few hours with Ag Grid
WorkshopFree
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...
javascriptreact
React Summit US 2023React Summit US 2023
107 min
Monitoring 101 for React Developers
Top Content
WorkshopFree
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...
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