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Which Angular animation trigger property is used to define animations for elements entering the view?

easy📝 Conceptual Q2 of 15
Angular - Animations
Which Angular animation trigger property is used to define animations for elements entering the view?
Atransition(':enter', [...])
Bstate('enter', [...])
Canimate('enter', [...])
Dtrigger('enter', [...])
Step-by-Step Solution
Solution:
  1. Step 1: Recall Angular animation syntax

    Angular uses transition(':enter', [...]) to define animations for elements entering the DOM.
  2. Step 2: Differentiate from other properties

    state defines styles, animate defines timing, and trigger defines the whole animation trigger, not enter specifically.
  3. Final Answer:

    transition(':enter', [...]) -> Option A
  4. Quick Check:

    Enter animations use transition(':enter') [OK]
Quick Trick: Use transition(':enter') for entering elements [OK]
Common Mistakes:
  • Using state or animate instead of transition
  • Confusing trigger name with enter state
  • Writing 'enter' without colon

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