Free Online JS Institute JSA-41-01 Practice Test

Prepare Your JS Institute JSA-41-01 Exam Questions with Free online JSA-41-01 Practice Test. Get Brilliant JSA - Certified Associate JavaScript Programmer Exam Results with Valid JSA 41 01 Exam Dumps.

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Total 160 Questions | Updated On: May 16, 2024

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Question 1

What is the output of the following code?

const add = (a, b) => a + b;

const double = n => add(n, n);

console.log(double(3));

A : 6

B : 9

C : 12

D : 15

Answer: A

Question 2

In the following code snippet, what line of code should be inserted to declare a method named showInfo that outputs the string "Hi" to the console?

class A {

// insert code here

}

let a = new A();

console.log(a.showInfo());

A : let showInfo = function() { console.log("Hi"); }

B : showInfo = function() { return "Hi"; }

C : showInfo() { return "Hi"; }

D : function showInfo() { return "Hi"; }

Answer: B

Question 3

What will be the value of x after the following code is executed?

let x = 10;

function add5(num) {

num += 5;

return num;

}

x = add5(x);

A : None of the Above

B : 10

C : 15

D : 5

Answer: C

Question 4

What will be the value of result after the following code is executed?

var arr = [1, 2, 3, 4, 5];

var result = arr.splice(2, 2);

A : [1, 2, 3, 4, 5]

B : [1, 2, 5]

C : [3, 4]

D : [1, 2, 3, 4, 5, 3, 4]

Answer: C

Question 5

What will appear on the console after executing the following code?

let car = { model: "Tesla", year: 2022 };

let vehicle = {...car, color: "red"};

car.year = 2021;

console.log(`${vehicle.model} ${vehicle.year} ${vehicle.color}`);

A : Tesla 2021 red

B : Tesla 2022 red

C : Tesla 2021 blue

D : Tesla 2022 black

Answer: B

Page: 1 / 32

Total 160 Questions | Updated On: May 16, 2024

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