Vacuous Truth in JS
Just the other day I was testing a permissions function when I came across something very interesting about Array.prototype.every. So, let me give you a little back story. The function I was testing i...
5 Técnicas infalíveis para a Performance do Seu App React ser algo esquecível
Siga essas dicas de ouro e destrua a performance com estilo.Era uma sprint apertada, dessas que começam já com o relógio contra. O time corria, e o dev mais experiente assumiu a tarefa: “Deixa co...
Import/Export: Default vs Named (And Why Some Use Braces)
If you've worked with React or JavaScript modules, you might have noticed that sometimes you write imports with curly braces ({}) and sometimes without them. Ever wondered why?Let’s break it down.
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Dhvagna-DOM: A Lightweight TypeScript DOM Ready Utility by Gnanesh Balusa
dhvagna-dom
What makes dhvagna-dom stand out? Unlike other DOM-ready utilities, this package combines TypeScript support, minimal size (0.7KB), intelligent state detection, and cross-browser...
Do you know how it works? - The "this" keyword
TL;DR:
In JavaScript, the value of this depends entirely on how a function is called, not where it was defined.
It can reference the global object (window/global), the calling object, undefined (in s...
✨ Don’t do this (unless you want sh*t frontend code)
📚 Download my FREE 101 React Tips And Tricks Book for a head start.
It’s easy to end up with messy frontend code.In this post, I’ll show you 17 things to avoid if you want to keep your frontend...
Understanding Child Processes in Node.js Through the Eyes of a Toddler
Node.js, by design, is single-threaded. This means it processes one task at a time in its main event loop. So what happens when you want to handle CPU-intensive tasks like video processing or heavy c...
This Month in Solid #13: A Decade of SolidJS 😎
Hello friends 👋
We are back for another issue of This Month in Solid. Last month was heavy on my schedule, so this issue will have everything that happened during March and April!
So let's start o...
Level Up Your Testing Game with Jest Spies and Asymmetric Matchers
Over my long career as a software engineer, unit testing involving third-party APIS, such as database calls, etc., has always proven challenging. And let’s be honest, it’s pretty rare to write an ...
JavaScript. How to Make a Blazingly Fast Multithreaded Data Grid for 1,000,000 Rows. Part 2/2: working with threads
Demo | GitHubFast Data Grid features:
Incredibly Fast
Multithreaded
Only 523 Lines of Code
No Dependencies
Vanilla JavaScript
Try scrolling and searching through 1,000,000 rows — Fast Data Grid.In t...