Explains the new Object.groupBy() and Map.groupBy() methods in JavaScript for easily grouping array data, comparing them to the traditional reduce() approach.
Developer builds a web-based code playground to run their custom Adventlang programming language in the browser using Go and WebAssembly.
A comparison of React and Vue.js frameworks, analyzing their differences to help developers choose the right tool for their 2022 projects.
An introduction to k6, a modern performance testing tool for APIs, covering its features, installation, and using TypeScript for test scripts.
Explains how to use the import.meta object in JavaScript ES modules to access metadata like the module's URL in browsers and file path in Node.js.
Explains how to properly handle variables and asynchronous commands in Cypress testing, addressing common pitfalls.
Explains how to import JSON files directly into ES modules using the JSON modules proposal and import assertions in JavaScript.
A technical walkthrough solving Advent of Code 2021 Day 2 challenges using both R and JavaScript, comparing implementations.
A technical walkthrough solving Advent of Code 2021 Day 1 challenges using both R (with purrr) and JavaScript, comparing their syntax.
A guide for JavaScript library authors on how to package and ship both ESM and CommonJS formats to ensure compatibility during the ecosystem transition.
A developer shares his journey building a custom course platform to teach programming concepts like Array.reduce(), detailing his tech stack and motivations.
A guide to trimming whitespace and line terminators from strings in JavaScript using trim(), trimStart(), and trimEnd() methods.
A tutorial on implementing JWT authentication in an Express.js API, with examples using both MongoDB and PostgreSQL databases.
Explains how Browserify bridges the gap between npm packages and browser usage, allowing developers to bundle dependencies for simple websites.
A performance comparison of esbuild, swc, tsc, and babel for transforming React/JSX projects, with benchmarks on speed.
A guide to calculating the break-even point for a project, including how to build a web app to visualize the results with a chart library.
Explains JavaScript factory functions, their use in creating objects, and how they can replace classes with private state via closures.
A technical guide on improving web accessibility for toggle buttons, focusing on screen reader announcements and JavaScript implementation.
A developer shares their experience building an NFT-based game using Solidity, Hardhat, and React as part of a web3 dApp project.
Explains the difference between sparse and dense arrays in JavaScript, including how to create and identify them.
