Bird
0
0

Given this component code:

medium📝 component behavior Q4 of 15
Angular - RxJS and Observables Fundamentals
Given this component code:
data$ = of('Angular');

What will this template display?
<div>{{ data$ | async }}</div>
AError: async pipe not found
BAngular
CObservable object
Ddata$ | async
Step-by-Step Solution
Solution:
  1. Step 1: Understand Observable emission

    The Observable created by of('Angular') emits the string 'Angular'.
  2. Step 2: Async pipe unwraps the emitted value

    The async pipe subscribes and displays the emitted string 'Angular' in the template.
  3. Final Answer:

    Angular -> Option B
  4. Quick Check:

    Async pipe unwraps Observable value = Angular [OK]
Quick Trick: Async pipe shows emitted Observable value in template [OK]
Common Mistakes:
MISTAKES
  • Expecting the Observable object to display
  • Thinking async pipe shows pipe syntax literally
  • Confusing async pipe with missing pipe error

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