
The Dangers of eval: A Cautionary Tale
A deep dive into why eval and its cousins (new Function, setTimeout(string)) are dangerous, illustrated with real-world-style examples and concrete mitigations for web and Node.js applications.

A deep dive into why eval and its cousins (new Function, setTimeout(string)) are dangerous, illustrated with real-world-style examples and concrete mitigations for web and Node.js applications.

A practical, year-by-year career roadmap that takes you from novice JavaScript enthusiast to a confident, hireable (and promotable) engineer in five years-complete with milestones, project ideas, learning resources, and measurable goals.

Cut through the noise: learn what the JavaScript event loop actually does, why common claims (like “setTimeout(0) runs before promises”) are wrong, how browsers and Node differ, and how to reason reliably about async code.

Practical, battle-tested tips to speed up your Fastify APIs - from schema-driven serialization and smart plugin use to caching, streaming, and measurement workflows that reveal the real bottlenecks.

Discover five lesser-known NestJS optimizations-from Fastify+fast-json-stringify to avoiding request-scoped providers-that deliver measurable performance wins for real production apps.

Learn 10 practical, high-impact techniques to make your Hapi.js APIs faster, leaner, and more scalable. Covers Catbox caching, response ETags, streaming, database patterns, validation tuning, plugin design, metrics, clustering, and avoiding event-loop blocking.

Learn to build and integrate a robust Scheduling API: design model, handle recurrences and timezones, implement conflict detection, notifications, webhooks, and scaling strategies with practical code examples.

A practical, outcome-first guide to building a JavaScript portfolio that wows interviewers. Curated projects, what skills each demonstrates, folder structure, README template, deployment and interview talking points so your work tells a compelling story.