The Forge

Closures, async concurrency, event loop, and deep clones.

Build Array.map, Promise.all, and core browser primitives.

Object transforms, groupBy, deep merge, and tree flattening.

Real-world interview problems tested at top tech companies.

Fetch with retry, exponential backoff, and cache deduplication.

Custom hooks, compound components, tabs, and accessible UI widgets.

LLM streaming parsers, token chunking, and tool-call pipelines.