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Modern Application Development II · Quiz 1 · 13 Jul 2025 · May 2025 term

Question 3: Consider the following code. What will be the output?

Question 3

+2 marksOne correct option

Consider the following code.

javascript
const arr = [1, 2, 3];
const result = arr.map(function(item, index) {
  return this[index] * item;
}, [10, 20, 30]);
console.log(result);

What will be the output?

  1. A

    [1, 2, 3]

  2. B

    [10, 40, 90]

  3. C

    [10, 20, 30]

  4. D

    [NaN, NaN, NaN]

Show answer

Correct answer

  • B

    [10, 40, 90]

See the whole paperTake it as a mock test

Question 3 of 16 in the IIT Madras BS Modern Application Development II (MAD 2) Quiz 1 paper sat on 13 Jul 2025, in the May 2025 term (IIT M DIPLOMA AN EXAM QDD2 13 July 2025). It carries 2 marks.

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