Decoded Frontend Angular Interview Hacking Jun 2026

"If you have two subscribers to an HTTP observable, how many requests are sent?" Answer: Two, because HTTP observables are cold – each subscription triggers execution. Use shareReplay(1) to make it hot and share the response.

Designing a micro-frontend dashboard or planning a global state management strategy. Performance Optimization & Deep Dives decoded frontend angular interview hacking

Never mutate an @Input object directly. Use the spread operator. "If you have two subscribers to an HTTP

State containers that allow direct updates via .set() or .update() . decoded frontend angular interview hacking