Free JS Institute JSA-41-01 Exam Questions

Become JS Institute Certified with updated JSA-41-01 exam questions and correct answers

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Total 160 Questions | Updated On: Jun 15, 2026

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Question 1

What will be the value of result after the following code is executed?var str = "The quick brown fox";var result = str.replace(/[aeiou]/gi, '*');

A : "Th* qck brwn fx"

B : "Th* quck brwn fx"

C : "Th qck brwn fx."

D : Th* q**ck br*wn f*x

Answer: D

Question 2

What will be the output when the following code is executed:class Car { _brand = ""; set brand(value) { this._brand = value; } get brand() { return this._brand; } } let car = new Car(); car.brand = "Toyota"; console.log(car.brand)

A : Toyota

B : undefined Toyota

C : null

D : undefined

Answer: A

Question 3

What expression will return true if 1. let shape1 = {x: 10, y: 20} and 1. let shape2 = {x: 10, y: 20} have the same property values?

A : shape1.x == shape2.y

B : (shape1.x == shape2.x) && (shape1.y == shape2.y)

C : shape1 == shape2

D : Object.keys(shape1) === Object.keys(shape2)

Answer: B

Question 4

The shape object can be converted to JSON format using the built-in command:

A : JSON.parse(shape);

B : JSON.stringify(shape);

C : JSON(shape);

D : shape.toJSON();

Answer: B

Question 5

What line of code should be inserted into the Product class definition to add a property price to the class?class Product { constructor(name) { this.name = name; // insert code here }}

A : price: 0;

B : this.price = 0;

C : var price = 0;

D : let price = 0;

Answer: B

Page: 1 / 32

Total 160 Questions | Updated On: Jun 15, 2026

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