What I Learnt by Building the Exact Same App in Kotlin (Native Android), Nativescript and Flutter

Featuring Arnav Gupta

In this talk, Arnav will go through the journey of building a blogging app (Medium clone) using Kotlin, Nativescript and Flutter. He will discuss the differences in developer and user experience for the apps built using all these platforms.

Arnav took the famous realworld.io project (which is a...

javascript flutter nativescript kotlin

Done in 0.0166666666 Seconds

Featuring Alex Moldovan

In order to ensure a smooth, jank-free experience on the web, we need to render a constant stream of 60 frames per second. This means that the browser has 16 milliseconds to execute our code and render the changes on the screen. Let’s find out how the rendering pipeline works and how JavaScript...

css javascript rendering performance

Security in Node.js

Featuring Forbes Lindesay

While working on large node.js projects, Forbes noticed that there is no clear answer to common questions like “how do you securely store passwords”. He has also noticed that all the popular frameworks lack key security features such as CSRF protection and Rate Limiting by default. It’s really...

javascript api-design best-practices typescript node.js authentication security

Making Less of the Web with Feature Policy

Featuring Andrew Betts

The web platform has seen a decade of furious expansion, with websites now able to access USB, vibration, Bluetooth, and geolocation, as well as store huge amounts of data on end-user devices, trigger background sync and notifications and even get paid from users' digital wallets. But with...

javascript consent safety performance practice security governance

Controlling Bluetooth Mesh Networks with Web Applications

Featuring Martin Woolley

Bluetooth mesh is a new Bluetooth technology which was released in 2017. It allows secure networks of tens of thousands of Bluetooth devices to be created and truly smart, self-optimising buildings to be created, with sensors, lights, air-conditioning units and more, all working wirelessly and...

javascript mesh iot smart-devices networking bluetooth

All Aboard the Type Train

Featuring Kadi Kraman

JavaScript is a language of add-ons, and one of its more recent trends is typing. There are obvious benefits to typing, but what are the drawbacks? Should you choose Flow or TypeScript? Why use types at all? And why not just go straight to Reason? This session will provide some insight into these...

javascript tooling flow typescript

PWAs on Steroids

Featuring Trishul Goel

PWAs bring the best of both mobile and native apps to user. PWAs equipped with service workers provide features like offline availability, push notifications etc. Now with modern webAPIs, PWAs are beyond the browsers; in Hardware. Consider turning bulb on/off with your PWA, sounds cool? Lets...

browserapis javascript pwa

We Need to Talk about the Main Thread

Featuring James Milner

JavaScript is known for its single threaded nature; in the browser this means much of your code you write as developers runs on the same thread. This includes everything from input handlers, to fetch requests to updating the DOM. This is a lot of things to keep up with!

javascript event-loop main-thread

Fast and Beautiful: Modern Image Delivery Techniques

Featuring Doug Sillars

The average mobile website page weight is ~50% images. Toss in the complication of thousands of differently sized screens, and it might appear that efficient delivery of images to every device is an impossible task. But all is not lost! In this talk, Doug will share with you some strategies to...

javascript progressive-images nodejs fullstack

CSS Variables. What Do They Know? Do They Know Things?? Let's Find Out!

Featuring Mikołaj Dobrucki

There is so much CSS variables have to offer! They can significantly change the way you write your CSS and JavaScript. At the same time, they will help you keep your code smaller, more flexible and easier to maintain. During this talk, Mikołaj will cover everything you need to know to start using...

javascript sass css-in-js styling front-end web css-variables css-custom-properties css

TypeScript vs. Frameworks

Featuring Dylan Schiemann

Everyone has their favorite framework or frameworks. And TypeScript adoption has grown substantially. But how well suited is your framework of choice to take full advantage of TypeScript? In this talk, Dylan will examine the benefits and challenges of using TypeScript with a variety of front-end...

javascript vue svelte react dojo angular frameworks typescript

Practical Performance for React (Native)

Featuring Anna Doubková

There are quite a few theoretical concepts of writing good a React application, including popular functional programming approaches. However, few take into consideration the impacts these will have on performance of the application. In this talk you’ll learn how some commonly used patterns have...

javascript ui react-application react-native

Building immersive worlds with Mixed Reality

Featuring Andrzej Mazur

With WebXR you are finally ready to create first-class Virtual and Augmented Reality experiences using Open Web technologies. This allows new type of content to be published and consumed on the Web almost instantaneously from any capable device.

During this talk Andrzej will share with you what...

vr javascript fullstack webxr

NestJS: A Framework for Your Node Backend

Featuring Samuel ROZE

JavaScript is more than ever a technology able to run within so many contexts (web, server, mobile, etc...). In this talk, Samuel will share with you NestJs, a fully featured backend framework. Built on top of TypeScript and express, it has a dependency injection container, an ORM, a message bus...

javascript fullstack nestjs

Comedy Panel: Have I got Nodes For You!

Featuring Dylan Beattie

javascript fullstack comedy-panel nodejs

Concurrent Editing with JSON Patch and Operational Transformation

Featuring Jason Green

You often want to build an app as quickly as possible. To get some kind of MVP in the hands of users, giving them value and something for you to incrementally improve. Most features can come later, but if you ever intend to offer a shared editing experience of any kind, you really need to think...

javascript web operational-transformation json

All The World’s A Staging Server

Featuring Heidi Waterhouse

Heidi has sad news - staging is a lie and will never be identical to production because production is unknowable. Trying to replicate it is often prohibitively expensive.

javascript testing testing-in-production staging

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Merging Realities : Using the Web to Bring the Internet of Things to High End Augmented Reality

Featuring Philippe Coval and Fabien Benetou

What is real? What is virtual? What is augmented? What if none of that mattered but only how you could merge all those for your need?

javascript augmented-reality iot

Crafting Comics for Literally Everyone

Featuring Jessica Jordan

Remember loving to read comics on a Sunday afternoon when you were a kid? Maybe you don’t. In the past, traditional print comics have made it impossible for blind and visually-impaired readers to experience their heroes’ adventures first-hand. Today an increasing number of initiatives like comic...

javascript web-standards art emberjs animation html5 screenreader a11y accessibility web-applications web-comics

Lessons from MetaFont

Featuring Sam Galson

Why is Donald Knuth’s multivolume masterpiece, the Art of Computer Programming, still unfinished? The answer is that dissatisfied with his books’ physical form, Knuth paused work in order to automate some of the more toilsome aspects of book production: typesetting and font creation. So were born...

javascript knuth publishing latex metafont fonts typography