Consider the following JavaScript program, and predict the output if executed. new Promise((res, rej) => { if (9 === "9") rej(10) else res(20) }) .then(d => { console.log("hello 1", d); throw new Error(20); return d 10; }) .then(d => { console.log("hello 2", d); return d; }) .catch(e => { console.log("hello 3"); return e 10; }) .finally(d => { console.log("hello 4", d); return d 10; }) .then(d => { console.log("hello 5", d); return d 10; })

(C) Option figure from the original question paper

(A) Option figure from the original question paper

(B) Option figure from the original question paper

(D) Option figure from the original question paper

Modern Application Development II · End Term · 3 Apr 2022 · January 2022 term

Question 27: Consider the following JavaScript program, and predict t…

Question 27

+4.5 marksOne correct option

Consider the following JavaScript program, and predict the output if executed.

javascript

1new Promise((res, rej) => {
2    if (9 === "9") rej(10)
3    else res(20)
4})
5.then(d => {
6    console.log("hello 1", d);
7    throw new Error(20);
8    return d * 10;
9})
10.then(d => {
11    console.log("hello 2", d);
12    return d;
13})
14.catch(e => {
15    console.log("hello 3");
16    return e * 10;
17})
18.finally(d => {
19    console.log("hello 4", d);
20    return d * 10;
21})
22.then(d => {
23    console.log("hello 5", d);
24    return d * 10;
25})

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Question 27 of 32 in the IIT Madras BS Modern Application Development II (MAD 2) End Term paper sat on 3 Apr 2022, in the January 2022 term (IIT M FOUNDATION DIPLOMA ENDTERM FN1 3 Apr 2022). It carries 4.5 marks.

Question 27: Consider the following JavaScript program, and predict t…

Question 27

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