Best JavaScript meetup videos in 2020

So, which meetup videos were the most interesting and important ones in 2020 regarding JavaScript? You’re probably asking yourself this very question. Well, look no further, we have you covered right here.

Check out the best JavaScript meetup videos from 2020 below, handpicked by yours truly.

Upgrade Your Frontend Game – Be an Elm Wizard | Richard Feldman & Thomas Anagrius

Elm is a purely functional language that compiles to JavaScript in less than 4 seconds. We sat down with Richard Feldman, author of the book Elm in Action to understand how learning to code in Elm can help software developers whether they work with it on a daily basis or not.

Building a Slack clone using Supabase

Supabase is a Singapore based, Y Combinator backed startup, building the open source Firebase alternative. Supabase adds realtime and restful APIs to your Postgres database without a single line of code.

This will be a quick demo on how to get started with Supabase.io as your data and authentication backend when building Jamstack apps as well as a quick look at how you can contribute to the Supabase project during Hacktoberfest.

You Don’t Need All That JavaScript

JavaScript is your behaviour layer; the way to add interactivity to your sites, to provide a slick and delightful user experience, to make everything fast and easy and clean. But at some point everything changed: the tail started to wag the dog instead and development became Javascript-first.

We’ll talk about how you maybe shouldn’t rely on JS as much as you’re told to, and some practical strategies for how to build sites without reaching for a JS framework as first, last, and only tool for making the web happen.

What will the audience learn from this talk?

How to build sites without necessarily reaching for a framework, how that’s what the frameworks encourage, how everyone is already thinking the same as you, and a bit about <portal>

Does it feature code examples and/or live coding?

No live coding. There are some code examples but only in passing

JavaScript on Microcontrollers | Niels Leenheer

Nowadays microcontrollers have become powerful enough to run JavaScript. Building an IoT device feels out of reach to a lot of web developers. Most of us didn’t study electrical engineering, and never learned to solder. And programming a microcontroller is on a completely different level than building a website. But that is just not true anymore. And that opens up IoT to all of us. With just 20 lines of code we can build a connected lightbulb, and within seconds we can wirelessly deploy it. Write a couple of lines more, and you can even remotely control a car. And that is precisely what we are going to do.

Modern JavaScript for Python Developers

JavaScript is the lifeblood of the modern web application. You need it to do anything remotely complex on the web.

But, for many Python developers, the modern JavaScript ecosystem is intimidating. The tools feel complex. There are often several ways to achieve the same goals. It’s hard to choose a framework—and then once you do, it’s hard to know exactly how to integrate it into a Flask or Django project.

This talk aims to demystify modern JavaScript for Python-minded developers. It will cover major advances that have been made to JavaScript in recent years and how you can use the JavaScript ecosystem – including tools like npm, webpack and babel – to write Python applications for the modern web.

10 Helpful VS Code Extensions for JavaScript

Visual Studio Code has quickly become the code editor of choice among many developers.

The vast extension library is one of its main drawing points.

In this video, we quickly explore 10 helpful Visual Studio Code Extensions for JavaScript.

Transitioning to modern JavaScript | Houssein Djirdeh & Jason Miller

Over 90% of web traffic comes from browsers that support modern JavaScript, yet most websites ship legacy syntax in order to support a small number of very old browsers.

We now have the ability to deliver modern and legacy code to browsers based on what they support, but this doesn’t extend to the large amount of dependency code in our applications. Our dependencies are still published as verbose legacy syntax in order to support the lowest common denominator of browsers today.

This talk explains how legacy dependency code is one of the biggest performance problems on the web today, and what steps we can all take to address it.

Visualising front-end performance bottlenecks | Richie McColl

There are many ways to measure web performance, but the most important thing is to measure what actually matters to users. This talk is about how to measure, analyze and fix slow running JavaScript code using browser APIs.

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