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What happens if Angular's change detection does not run after a data update?

easy🧠 Conceptual Q2 of 15
Angular - Change Detection
What happens if Angular's change detection does not run after a data update?
AThe data will be lost permanently
BThe view will not reflect the new data
CThe browser will reload the page
DThe application will crash immediately
Step-by-Step Solution
Solution:

  1. Step 1: Consider the role of change detection

    It updates the UI to match the latest data changes.

  2. Step 2: Predict the effect of skipping change detection

    If it doesn't run, the UI stays outdated and does not show new data.

  3. Final Answer:

    The view will not reflect the new data -> Option B

  4. Quick Check:

    Missing change detection = stale view [OK]
Quick Trick: No change detection means UI stays old [OK]
Common Mistakes:
MISTAKES
  • Assuming app crashes without change detection
  • Thinking browser reloads automatically
  • Believing data is lost without detection

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