A practical deep dive into lesser-known JavaScript features and APIs-like Proxy, WeakMap, FinalizationRegistry, Web Workers, SharedArrayBuffer, AbortController, advanced Intl, Temporal, and dynamic import-that can make you more effective and open higher-impact opportunities.
Learn how to design and implement self-executing puzzles in JavaScript - code constructs that run their solving logic as soon as they are defined. This article gives step-by-step guidance, multiple implementation patterns, worked examples and safety tips.
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.
JavaScript debates are part technical, part cultural. This article walks through the most contentious questions - from == vs === and semicolons to TypeScript, immutability, eval, private fields and more - explains both sides, shows examples, and offers pragmatic guidance for teams and individual developers.