Lessons about JavaScript (page 6)

testing-library.com

A group of simple and complete testing utilities that encourage good testing practices

Simple and complete testing utilities that encourage good testing practices

Victor Ferraz·October 28, 2019

github.com

Tiny 200 byte functional event emitter / pubsub - works well with some use cases in react

🥊 Tiny 200 byte functional event emitter / pubsub. - developit/mitt

João Lins·October 23, 2019

youtube.com

Why We Should Ditch React

João Lins·September 16, 2019

dassur.ma

When should you be using Web Workers? - Interesting article about JS performance and experience, with a very nice context

João Lins·August 20, 2019

github.com

Comprehensive and exhaustive JavaScript & Node.js testing best practices (August 2019)

João Lins·August 12, 2019

studioelsa.se

Creating npx commands easily

Let's create a pointless CLI just to walk thru some best practices and patterns for publishing any node CLI.

Vanessa Barreiros·July 29, 2019

css-tricks.com

The Great Divide - Should we split the Front end Engineer into JS Engineer and UX Engineer?

Let’s say there is a divide happening in front-end development. I feel it, but it's not just in my bones. Based on an awful lot of written developer

João Lins·July 22, 2019

netlify.com

Deep dive: How do React hooks really work?

Realize the speed, agility and performance of a scalable, composable web architecture with Netlify. Explore the composable web platform now!

João Lins·June 19, 2019

avioconsulting.com

Be aware of Javascript numeric precision issue when using integers as ids -> Boolean((2^53 + 1) === 2^53) is equal to true:

Rebeca Sarai·June 3, 2019

youtube.com

Symbols in Javascript? What are they for? What do they do? Where do they live? Here's a summary:

Luca Bezerra·May 20, 2019

github.com

A zero config GUI for Jest

Victor Ferraz·April 23, 2019

stackoverflow.com

Redux might prevent React Router from detecting URL changes - check here how to fix it:

Luca Bezerra·April 9, 2019

robinwieruch.de

Prevent React setState on unmounted Component

How to avoid the React warning: Can only update a mounted or mounting component. It usually means you have called setState on an unmounted component ...

Arimateia Neto·March 22, 2019

github.com

Useful Webpack plugin to specify .env files

A secure webpack plugin that supports dotenv and other environment variables and only exposes what you choose and use. - mrsteele/dotenv-webpack

Vanessa Barreiros·March 22, 2019

plainjs.com

Nice website with a collection of useful vanilla javascript functions

Gustavo Carvalho·March 11, 2019