A

Admin • 833K Points
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Q. What is the purpose of `trackBy` in `*ngFor`?

  • (A) Improves animations
  • (B) Optimizes DOM rendering
  • (C) Adds accessibility
  • (D) Enables SSR
  • Correct Answer - Option(B)
  • Views: 35
  • Filed under category Angular JS
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Explanation by: Admin

`trackBy` improves performance by reducing unnecessary DOM updates.

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