JavaScript Kicks - JSK Daily for Jan 19, 2022

useMemo without a doubt is a handy utility that can improve an application's performance. However, in my daily work I have noticed that some engineers tend to use it in every possible situation so I set out on a mission to investigate when using useMemo is not such a good idea....

Bit

This story is about an often applied technique by libraries that offer full TypeScript support. Although as a consumer of these things, one most often does not have to implement such techniques - everything just works like magic....

Bit

The multiline mode in JavaScript expressions changes the behavior of ^ and $ to match patterns across multiple lines....

stefan judis

Hooks have changed the way React is used. One of the things hooks enable is code reusability. Many prominent libraries such as react-router, react-query embrace hooks for the better. Another thing about hooks is that they are composable. You can use basic hooks such as useStat...

JavaScript In Plain English

When a browser requests a webpage that needs JyS scripts to run properly as designed, the host (datacenter, nodes, clusters of web servers, CDN) receiving this request will serve these JavaScript......

JavaScript In Plain English

As a React developer, you must know how to implement validation in form, and a form may hold one or more than one input element. If you want to get the user-provided data in a subtle manner, then you must show reverence to proper error handling....

Digamber Singh

HTML Tables are simple to use for rendering small amounts of data. But they can be hard for users to work with when they display a lot of data. Features like sorting, filtering, and pagination make it easier to work with many rows of data. We can easily implement those...

freeCodeCamp.org

Over the last 18 years of programming, I've had to deal with asynchronous behavior in virtually every project. Since the adoption of async-await in JavaScript, we've learned that async-await makes a lot of code more pleasant and easier to reason about....

Ken Snyder

Data types can be a bit of a mind boggling concept. But as programmers, we use data types everyday - so they're something we should understand. Question is, how does the computer store these data types? It can't possibly treat every data type the same....

freeCodeCamp.org

The copy/paste feature is without a doubt one of the most commonly used features in modern computing, and it refers to the process of copying/transferring text or images from one part of a computer-based application to another. Most recently, it's become common practice to pro...

StackAbuse

We reached out to four MDN contributors to talk about how and why they started contributing and what advice they have for new contributors....

Mozilla Hacks

Yesterday, I talked about replacing jQuery with Umbrella JS and cutting my JavaScript bundle size (uncompressed) by 91%. And, while Umbrella JS has a very similar API to jQuery, it's not exactly the same....

Ben Nadel

When you're programming in JavaScript, you might need to get the last item in an array. In this tutorial, we'll go over two different ways to do this. How to Get the Last Item in a JavaScript ArrayMethod 1: Use index positioningUse index positioning if you know the...

Madison Kanna

npm released version 8.3 of their CLI client in December and it looks like an unspectacular release but includes a helpful new feature - "overrides". The JavaScript ecosystem has been on fire since Node.js and npm appeared. There's always a package for everything, and people Y...

stefan judis