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: Mar 05, 2026
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Question 1

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}`);


Answer: B
Question 2

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); 


Answer: C
Question 3

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  }} 


Answer: B
Question 4

What is the value of property "y" in object "point2" after the following code is executed?let point = {x: 100, y: 200}; let point2 = {...point}; point2.y = 300; 


Answer: C
Question 5

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?


Answer: B
Page:    1 / 32      
Total 160 Questions | Updated On: Mar 05, 2026
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