Dev Tools · 1h ago
Build Frontend JS Utilities from Scratch: Interview-Ready Guide
A comprehensive guide teaches developers to implement JavaScript utilities like map, filter, and debounce from scratch, covering theory, edge cases, and complexity. It includes 13 levels of exercises from fundamentals to advanced topics like rate limiting and DOM problems. The resource is designed for interview preparation with a 30-day practice plan.
Meridian48 take
While thorough, the guide's value depends on the reader's level; experienced devs may find it basic, but it's a solid refresher for interview prep.
javascript-utilitiesinterview-preparation