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Which of the following is the correct syntax to import combineLatest and forkJoin from RxJS in Angular?

easy📝 Syntax Q12 of 15
Angular - RxJS Operators
Which of the following is the correct syntax to import combineLatest and forkJoin from RxJS in Angular?
Aimport { combineLatest, forkJoin } from 'rxjs/operators';
Bimport { combineLatest, forkJoin } from 'rxjs';
Cimport { combineLatest, forkJoin } from '@angular/core';
Dimport { combineLatest, forkJoin } from 'rxjs/internal';
Step-by-Step Solution
Solution:
  1. Step 1: Identify correct RxJS import path

    Both combineLatest and forkJoin are exported from the main 'rxjs' package, not from Angular core or operators.
  2. Step 2: Verify common incorrect imports

    @angular/core is Angular framework code, rxjs/operators contains operators like map, filter, but not these combinators.
  3. Final Answer:

    import { combineLatest, forkJoin } from 'rxjs'; -> Option B
  4. Quick Check:

    RxJS combinators import from 'rxjs' [OK]
Quick Trick: Import from 'rxjs' for combineLatest and forkJoin [OK]
Common Mistakes:
MISTAKES
  • Importing from 'rxjs/operators' instead of 'rxjs'
  • Importing from '@angular/core' by mistake
  • Using internal RxJS paths which are not public API

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