Explore how bitwise operators in JavaScript can speed up number manipulations and data-structure operations, when they help, when they don't, and practical benchmarks and patterns you can use in hot code paths.
Learn how to use the Gamepad API for more than games: control presentations, manipulate data visualizations, drive generative art and sound. Practical patterns, mapping utilities and copy-paste-ready code help you build novel interactive web apps with controllers.
Practice realistic, high-impact JavaScript scenarios that employers care about. Learn specific prompts, expected approaches, and sample answers to level up your mock interviews and impress hiring teams.
A tour of strange, real-world JavaScript bugs - why they happened, how they were fixed, and the concrete rules you can apply to avoid the same surprises in your codebase.
Being labeled a “full-stack” JavaScript engineer doesn't mean you must personally own every layer. This post explains why specialization matters, how to collaborate with backend teams effectively, and practical patterns that let you ship quickly without stretching yourself thin.
A practical, security-first guide for web developers to move beyond passwords using the Credential Management API and WebAuthn. Learn secure patterns, integration tips, migration strategies, and server-side considerations to deliver passwordless or hybrid auth that improves security and UX.
Default parameters turn brittle functions into resilient ones. Learn how to use defaults in JavaScript, Python and TypeScript to avoid 'undefined' bugs, sidestep common pitfalls like mutable defaults and falsy-value traps, and make your code clearer and safer.
Learn to organize and time your logs using console.group and console.time. This guide shows practical patterns, examples, and helper utilities to make debugging clearer - and even a bit fun.