Learn how Element.closest() can simplify ancestor lookups, streamline event delegation, improve readability, and what to watch out for (compatibility, Shadow DOM, performance). Includes examples, poly… more
Mock interviews are the fastest, most reliable way for JavaScript engineers to convert study time into interview performance. This article explains wh… more
A deep look at how the Shape Detection API can be used - and abused - for surveillance, the ethical problems that follow… more
A practical, hands‑on look at performance differences between the Function constructor (new Function) and traditional Ja… more
A practical, hands-on comparison of Express.js and Fastify focused on real-world performance, developer experience, and… more
Compare the modern Async Clipboard API and the older execCommand/document-based clipboard methods. Learn when to use each, how to implement reliable fallbacks, browser support, per… more
deepdives Explore how the WebUSB API lets web apps directly talk to IoT devices, with practical projects, code… more
career A practical, step-by-step guide to conquering Meta’s coding challenges: how to read problems, plan s… more
deepdives A practical, balanced look at the privacy and security concerns around the Payment Request API - wha… more
