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Angular Developer interview questions: the 8 to ask
An Angular developer builds structured enterprise web applications with Angular and TypeScript.
- 1.How does change detection work, and the OnPush strategy?
- 2.What is the difference between switchMap, mergeMap and concatMap?
- 3.How do you avoid subscription leaks?
- 4.What do signals change compared with RxJS?
- 5.How do you manage global state (NgRx or services)?
- 6.How do you optimise loading (lazy loading)?
- 7.How do you test a component with dependencies?
- 8.Standalone components: what are the benefits?
Tip: for every answer, ask for a concrete example (situation, action, result). An answer without an example is worth half.
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