Zachary Lee articles - 37 total
Ditch Git Checkout: Use Git Switch and Git Restore Instead
If you use Git in your daily work, git checkout is a common command. It's often used to switch...
The Secrets of JavaScript Object Property Order
Someone asked me recently, are JavaScript object properties necessarily unordered and...
Understanding the infer Keyword in TypeScript
TypeScript, a statically-typed superset of JavaScript, has gained massive popularity in the tech...
How Server-Sent Events (SSE) Work
SSE (Server Sent Events) is not widely used in the world of web development, this article will take a...
Ditch dotenv: Node.js Now Natively Supports .env File Loading
One of the staples of environment management in Node.js has been the use of the dotenv package, which...
How to Create a Type to Retrieve All Keys of an Object in TypeScript
Typescript has a feature called keyof that can be used to obtain the keys of an object. However, the...
7 Lesser-Known HTML Attributes to Enhance User Experience
HTML is a powerful language for creating web pages, and while most developers are familiar with...
Difference Between new Function() and new function() in JavaScript
JavaScript is indeed flexible, but it also brings some confusion. For example, you can use multiple...
The Secrets of the 'delete' Operator in JavaScript
The delete operator is arguably an old language feature of JavaScript. As it literally means, it...
Creating a React Hook for Rotating Images at Any Angle
In web development, you may need to rotate an image, which is easy to do in CSS. Simple code like...
Under the Hood of React Router in 40 Lines of Code
If you’ve built React apps, you’ve definitely used React Router. It’s a feature-rich routing library,...
4 Quick Commands to Find Things in Linux
1. The which command The which command and the whereis command below both search for...
How to Build a React Hook That Handles Sequential Requests
When you need to respond quickly to user actions and fetch the latest data from the backend, you...
The Differences Between "export default xx" and "export {xx as default}"
The Basics of JavaScript Modules Modules are self-contained pieces of code that can be...
Why to Avoid Default Exports in JavaScript Modules
Latest updates in my newsletter. JavaScript modules are a way to organize code into reusable...
How to Create DOM Elements from HTML Strings (Multiple Methods)
When we need to create simple dynamic HTML DOM elements, we can use HTML string templates. There are...
The Differences Between 'Object', '{}', and 'object' in TypeScript
Latest updates in my newsletter. In TypeScript, when we want to define an object type, there are...
7 New JavaScript Set Methods
TL;DR: JavaScript’s Set data structure has added 7 new APIs that are very useful and can reduce the...
How to Annul Promises in JavaScript
In JavaScript, you might already know how to cancel a request: you can use xhr.abort() for XHR and...
I Open-Sourced KeyEcho: Fast-Responsive Mechanical Keyboard Sounds with Every Keystroke
TL;DR: I've recently open-sourced KeyEcho, an application that listens to your keyboard typing and...
7 Differences Between Arrow Functions and Traditional Functions
The arrow function that appeared in ES6 has brought us great convenience, but it is still different...
How to Commit Multiline Messages in git commit
As developers, when using Git to commit code to a remote repository, we need to write information...
React 19 Beta Release: A Quick Guide
React 19 Beta has been announced, it introduces several new concepts that simplify state management,...
Type Systems in Programming Languages
This article will introduce those parts that cannot be ignored in various programming languages — the...
How to Control the Number of Concurrent Promises in JavaScript
In some cases, we may need to control the number of concurrent requests. For example, when we are...
How to Get a Perfect Deep Equal in JavaScript
In JavaScript, we can use == , === operator and Object.is method to judge the equality of two...
How to Get a Perfect Deep Copy in JavaScript?
Originally published in my newsletter. Pre-knowledge In JavaScript, data types can be...
Native Support for CJS/ESM Interoperability Begins in Node.js 22
The adoption of ECMAScript Modules (ESM) for development has become mainstream, yet Node.js continues...
HTML Script Element Attributes: async vs. defer vs. type='module'
I believe you are no stranger to script elements in HTML. It has some properties such as async,...
How does HTTPS work
Originally published in my newsletter. Hypertext Transfer Protocol (HTTP) is an application-layer...