TypeScript Crash Course
1/ Everything is a Type The foundation of TypeScript is that everything — absolutely every variable, constant, or object — is a type. You will always be...
Nullish coalescing operator (??)
• Returns its left-hand side operand (the first thing) of the left-hand side is anything other than null or undefined. Returns the right-hand-side operand (the second...
Hello Stimulus JS
When what you’re building is Rails with light interactions, marketing pages, landing pages, dashboard apps on Rails 7, Stimulus JS is exactly what you want. It gets out of your way just the right amount, making the easy easy and the hard possible
Modules in JavaScript
Hello "ES6" aka "ECMAScript 2015" Modules In the dark times of Javascript, everything in Javascript application was smashed together like jQuery soup. You would use...
The Conditional Render
The conditional render is a subtle and powerful secret tool used by modern Javascript developers. To understand why it is so subtle and powerful, let's...
10 Rules of Javascript Variables
Learning the fundamental elements of variables, constants, and scope (block & function), nested scope and what "lexical scope" means. As well, the Javascript hoist is...
Javascript Got Your Back 🪤
The world of backend Javascript can be exciting, but intimidating. There are a proliferation of backend options to choose from in the Node ecosystem. There...
Modern Javascript Fundamentals (2022) 💻
In the early days of the web, the creators of Javascript numbered its version: by version: 1, 2, 3, and 4. Javascript is in fact...
Template Literals (aka String Interpolation) With a Backtick
One of the often-overlooked new features in ES6, formally known as ECMAScript 6, is string interpolation. If you don't know what interpolation means, you probably...
Queens JS (4 Apr 2020)
A photograph on the backdrop of coronavirus panick throughout the city. https://twitter.com/jiserra/status/1235365010077032448 Angus Grieve-Smith (@grvsmth) treated us to a display of how to audio interfaces...