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Why is it important to use the query function with :enter and :leave selectors in route transition animations?

hard📝 Conceptual Q10 of 15
Angular - Animations
Why is it important to use the query function with :enter and :leave selectors in route transition animations?
ATo register new routes dynamically during animation.
BTo disable animations on specific routes.
CTo target entering and leaving route elements separately for precise animation control.
DTo automatically detect route changes without manual triggers.
Step-by-Step Solution
Solution:
  1. Step 1: Understand the role of query

    The query function selects elements inside the animation context, here used to select entering and leaving route elements.
  2. Step 2: Explain why targeting :enter and :leave matters

    This allows animating the old route leaving and the new route entering independently for smooth transitions.
  3. Final Answer:

    To target entering and leaving route elements separately for precise animation control. -> Option C
  4. Quick Check:

    query(:enter/:leave) = separate animation targets [OK]
Quick Trick: Use query(:enter) and query(:leave) to animate routes separately [OK]
Common Mistakes:
  • Thinking query registers routes
  • Assuming query disables animations
  • Believing query auto-detects route changes

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