Lessons about JavaScript (page 8)

developers.google.com

What are JavaScript promises?

Promises simplify deferred and asynchronous computations. A promise represents an operation that hasn't completed yet.

Amanda Savluchinske·July 2, 2018

medium.freecodecamp.org

Good explanation on where to hold component data

By Sam Corcos With the advent of React and Redux, a common question has emerged: What should I hold in the Redux store, and what should I save in local state? But this question is actually too simplistic, because there are also two other ways you c...

Vanessa Barreiros·June 28, 2018

youtube.com

How React.js works behind the scenes

Amanda Savluchinske·June 28, 2018

developer.mozilla.org

A JavaScript review (in case you haven't used it in a while)

JavaScript is a multi-paradigm, dynamic language with types and operators, standard built-in objects, and methods. Its syntax is based on the Java and C languages — many structures from those languages apply to JavaScript as well. JavaScript supports object-oriented programming with object prototypes and classes. It also supports functional programming since functions are first-class objects that can be easily created via expressions and passed around like any other object.

Amanda Savluchinske·June 25, 2018

github.com

Jest (JavaScript testing library) cheatsheet

Vanessa Barreiros·June 25, 2018

stackoverflow.com

Colors in JavaScript console:

Flávio Juvenal·June 21, 2018

codeburst.io

A comprehensive guide on throttling and debouncing in JavaScript

Vanessa Barreiros·June 16, 2018

gist.github.com

What are the {...anything} you see around React

JSX Spread Attributes. GitHub Gist: instantly share code, notes, and snippets.

Vanessa Barreiros·June 15, 2018

netflix.github.io

polly.js: Record, replay, and stub HTTP interactions.

Standalone, framework-agnostic JavaScript library that enables recording, replaying, and stubbing HTTP interactions.

Flávio Juvenal·June 14, 2018

codesandbox.io

An online sandbox platform for quick frontend prototyping (supports many frameworks, including react)

CodeSandbox is a cloud development platform that empowers developers to code, collaborate and ship projects of any size from any device in record time.

João Lins·June 13, 2018

docz.site

Simple and powerful tool to help you document libraries and components

Carlos Coelho·June 12, 2018

reactjs.org

React v16.x made some important changes (and deprecations) to the components lifecycles #component-lifecycle-changes

This blog site has been archived. Go to react.dev/blog to see the recent posts. A few days ago, we wrote a post about upcoming changes to our legacy lifecycle methods, including gradual migration strategies. In React 16.3.0, we are adding a few new lifecycle methods to assist with that migration. We are also introducing new APIs for long requested features: an official context API, a ref forwarding API, and an ergonomic ref API. Read on to learn more about the release. Official Context API For…

Victor Ferraz·June 1, 2018

github.com

A library for lazy loading React components

Lazy load your component, image or anything matters the performance. - twobin/react-lazyload

Victor Ferraz·May 28, 2018

medium.freecodecamp.org

The best way to bind event handlers in React

By Charlee Li Binding event handlers in React can be tricky (you have JavaScript to thank for that). For those who know the history of Perl and Python, TMTOWTDI (There’s More Than One Way To Do It) and TOOWTDI (There’s Only One Way To Do It) should b...

Victor Ferraz·May 25, 2018

github.com

Nice React lib for controlling page scroll

Luca Bezerra·May 22, 2018