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Modern Application Development II · End Term · 21 Dec 2025 · September 2025 term

Question 27: Consider the following Vue 2 (CDN) code. html code: scri…

Question 27

+5 marksOne correct option

Consider the following Vue 2 (CDN) code. html code:

script:

Based on the above data, answer the given subquestions.

Why is the watcher on $route.params.id necessary in this code?

  1. A

    Without it, the userId in data would never change when the route changes.

  2. B

    It is required because Vue Router does not automatically update component data.

  3. C

    It prevents the component from being destroyed and recreated on every navigation.

  4. D

    Both Without it, the userId in data would never change when the route changes and It is required because Vue Router does not automatically update component data are correct.

Show answer

Correct answer

  • D

    Both Without it, the userId in data would never change when the route changes and It is required because Vue Router does not automatically update component data are correct.

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Question 27 of 29 in the IIT Madras BS Modern Application Development II (MAD 2) End Term paper sat on 21 Dec 2025, in the September 2025 term (Modern Application Development Ii 18 Dec 25). It carries 5 marks.

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