Lessons about JavaScript (page 7)

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

lessons shared: 138
people sharing: 25
database started in: 2016

github.com
Summary of which third party scripts are most responsible for excessive JavaScript execution on the web.
Data on third party entities and their impact on the web. - patrickhulce/third-party-web
Felipe FariasFebruary 19, 2019
Link offline
appliedis.com · offline
Adding console.logs dynamically in chrome devtools and other browsers
João LinsFebruary 13, 2019
medium.com
Understanding Redux's connection functions if you're a beginner:
Luca BezerraFebruary 7, 2019
github.com
Styling a styled-component requires explicitly passing down a className property: #issuecomment-388361988
Version Styled Components: 2.1.1 React: 16.0.0 Steps to reproduce const DataDefinitionListItem = ({ label, value }) => ( <DataDefinitionListItem...
Luca BezerraJanuary 19, 2019
medium.com
You can send your sourcemap files to Sentry so it can translate the code properly on Sentry Issues
João LinsJanuary 7, 2019
Link offline
cleverbeagle.com · offline
Retrieving deeply nested values with lodash
Vanessa BarreirosNovember 30, 2018
hackernoon.com
Javascript Functional Composition for every day use
Software Engineering - Latest tech stories, tutorials, and insights on HackerNoon
Gustavo CarvalhoNovember 27, 2018
Today I learned
If you want to change your react component state in formik callbacks you should use the Formik component. The withFormik decorator don't give access to the wrapped component's state
Hugo BessaNovember 20, 2018
github.com
Detect and handle React components size changes:
A Cross-Browser, Event-based, Element Resize Detection for React - maslianok/react-resize-detector
Luca BezerraNovember 19, 2018
github.com
Media Queries handled through React components:
Luca BezerraNovember 19, 2018
medium.com
How to use SASS variables alongside Styled Components:
Luca BezerraAugust 27, 2018
maggiepint.com
Quick tips for better understanding moment.js and dealing with timezone-aware dates:
I have been answering some Stack Overflow questions lately, and it seems like quite a lot of them all boil down to someone saying that Moment.JS is showing the wrong date. Here are some of the most…
Luca BezerraAugust 2, 2018
stackoverflow.com
How to change the timezone without changing the date value with moment.js and moment-timezone
Luca BezerraJuly 24, 2018
Link offline
github.com · offline
If you using modals on your react application you have to check react-portals Portals make your react components to be rendered outside the parent component (eg.: append to body)
Hugo BessaJuly 18, 2018
youtube.com
How does Redux work?
Amanda SavluchinskeJuly 6, 2018

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Lessons about JavaScript (page 7)

Summary of which third party scripts are most responsible for excessive JavaScript execution on the web.

Adding console.logs dynamically in chrome devtools and other browsers

Understanding Redux's connection functions if you're a beginner:

Styling a styled-component requires explicitly passing down a className property: #issuecomment-388361988

You can send your sourcemap files to Sentry so it can translate the code properly on Sentry Issues

Retrieving deeply nested values with lodash

Javascript Functional Composition for every day use

If you want to change your react component state in formik callbacks you should use the Formik component. The withFormik decorator don't give access to the wrapped component's state

Detect and handle React components size changes:

Media Queries handled through React components:

How to use SASS variables alongside Styled Components:

Quick tips for better understanding moment.js and dealing with timezone-aware dates:

How to change the timezone without changing the date value with moment.js and moment-timezone

If you using modals on your react application you have to check react-portals Portals make your react components to be rendered outside the parent component (eg.: append to body)

How does Redux work?

Found it useful? Let’s put it to work.

Found it useful?
Let’s put it to work.