Lessons about JS (page 4)

The links, tools and tips our engineers and designers share with each other, one “today I learned” at a time.

lessons shared: 67
people sharing: 16
database started in: 2017

Link offline
barrymichaeldoyle.com · offline
You can import and export in the same line for multiple components in "index.js" files. It maintains references properly in IDEs and editors, and it looks clean!
João LinsJuly 23, 2019
github.com
Absolutely Awesome React Components & Libraries:
Rebeca SaraiJuly 16, 2019
medium.com
Functional JS Series
Mariane PastorJuly 2, 2019
zendev.com
Arrow Functions: How, Why, When (and WHEN NOT) to Use Them
One of the most heralded features in modern JavaScript is the introduction of arrow functions, sometimes called 'fat arrow' functions, utilizing the new token =>.
Mariane PastorJune 28, 2019
kentcdodds.com
One simple trick to optimize React re-renders:
Without using React.memo, PureComponent, or shouldComponentUpdate
Rebeca SaraiJune 28, 2019
github.com
A long list of (advanced) JavaScript questions, and their explanations
A long list of (advanced) JavaScript questions, and their explanations :sparkles: - lydiahallie/javascript-questions
Felipe FariasJune 25, 2019
medium.com
Why ['1', '7', '11'].map(parseInt) returns [1, NaN, 3] in Javascript
Mariane PastorJune 25, 2019
medium.com
React component patterns: the best use practices to split the logic layer and the presentational layer:
Rebeca SaraiJune 12, 2019
css-tricks.com
About using stopPropagation "this solution is roughly equivalent to fixing a leaky shower by turning off the water to the bathroom":
Rebeca SaraiJune 3, 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 SaraiJune 3, 2019
medium.com
Javascript sets are a thing:
Rebeca SaraiMay 7, 2019
dev.to
Thinking about using localStorage on your next project? This post has a message for: Please, don't.
Local storage shouldn't be used to store sensitive data. It's unsafe!
Rebeca SaraiApril 17, 2019
addyosmani.com
JavaScript Loading Priorities in Chrome
How browsers schedule and execute scripts can impact the performance of web pages. While techniques like <script defer>, <link rel=preload> (and ...
Tiago CostaFebruary 26, 2019
prerender.io
prerender.io allows your Javascript website to be crawled perfectly by search engines:
Helping businesses show up on every organic search platform: Google, ChatGPT, Reddit, and other LLMs. Trusted by 100,000+ brands worldwide. Start for free.
Flávio JuvenalFebruary 12, 2019
animejs.com
A lightweight JavaScript animation library with a simple, yet powerful API.
A fast, multipurpose and lightweight JavaScript animation library
Felipe FariasJanuary 15, 2019

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