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How does Angular handle hydration when a component's input properties differ between server and client?

hard📝 component behavior Q9 of 15
Angular - Server-Side Rendering
How does Angular handle hydration when a component's input properties differ between server and client?
AAngular ignores input differences and keeps server HTML as is
BAngular re-renders the component to sync inputs and updates the DOM
CAngular throws a runtime error and stops hydration
DAngular merges inputs without re-rendering
Step-by-Step Solution
Solution:
  1. Step 1: Understand input mismatch during hydration

    If inputs differ, Angular re-renders the component to update the DOM accordingly.
  2. Step 2: Check other options

    Angular does not ignore differences, throw errors, or merge inputs silently without re-render.
  3. Final Answer:

    Angular re-renders the component to sync inputs and updates the DOM -> Option B
  4. Quick Check:

    Input mismatch triggers re-render = True [OK]
Quick Trick: Input changes cause re-render during hydration [OK]
Common Mistakes:
  • Assuming Angular ignores input differences
  • Thinking hydration crashes on input mismatch
  • Believing inputs merge without re-render

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