A practical guide to integrating the Shape Detection API into web-based art installations. Learn setup, code patterns, creative project ideas, performance optimizations, and privacy considerations to build interactive artworks that respond to faces, barcodes, and other detected shapes.

Learn how to use JavaScript Proxies to build an invisible observer that logs property reads/writes, method calls, and object construction-plus practical utilities, pitfalls, and best practices for debugging complex applications.

A deep look at how JavaScript's backtracking regex engine works, why certain patterns cause catastrophic slowdowns, and practical rewrites and tooling to avoid performance traps.

A practical guide to the Badging API: what it is, when and how to use it, implementation patterns (including service worker integration), fallbacks (favicon/title badges), and UX best practices to boost engagement and retention.

A deep dive into microtasks and macrotasks in JavaScript: what they are, how the event loop treats them, how they affect rendering and UX, illustrative diagrams and real-world examples, plus practical guidance to avoid performance pitfalls.

Understand how to design, organize, and use constants and variables in the Portal API. This deep dive covers compile-time vs runtime values, TypeScript patterns, environment-driven configuration, security considerations, versioning, and practical code examples.

A practical, in-depth guide to the Credential Management API: what it is, how it works, code examples, integration patterns with WebAuthn and federated sign-in, browser support, pitfalls and best practices for modern web apps.

Learn how the Badging API (setAppBadge / clearAppBadge) helps PWAs and websites provide contextual, low-friction notifications. Includes practical code examples, fallbacks, UX best practices, and real-world references and demos.