Learn how to build a one-to-one peer-to-peer video chat application using WebRTC, Node.js (Socket.io) for signaling, and React for the front end. This step-by-step guide includes runnable code, configuration tips, testing advice, and next-step improvements.

A practical, opinionated comparison of Fastify and Express focused on performance. Learn how they differ under load, how to benchmark them yourself, and when Fastify's design gives it a real advantage for high-throughput Node.js services.

Periodic Background Sync (Periodic Sync) lets web apps schedule recurring background work in service workers - a powerful tool for keeping Progressive Web Apps fresh and reliable offline. This article explains what Periodic Sync does, how it affects engagement, performance, and data reliability, and gives practical guidance, code samples, and adoption strategies for real-world apps.

Advanced, practical negotiation tactics for JavaScript engineers that turn GitHub contributions, high-impact portfolios, and community involvement into real leverage - with scripts, templates, and ROI-driven messaging you can use today.

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.

Learn to craft clear, powerful JavaScript one-liners using map, filter, reduce, chaining and modern operators-plus when to avoid compactness for clarity.

Explore how the File System Access API lets web apps read, write and manage local files and folders - without the upload roundtrip. Learn how to use it, see code examples, examine real-world case studies and discover best practices and limitations.

Learn how a LinkedIn profile differs from a traditional resume and how to convert yours into a recruiter- and opportunity-magnet using storytelling, rich media, metrics and SEO-friendly copy.