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

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


Answer: B
Question 2

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, '*'); 


Answer: D
Question 3

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 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 is the output of the following code?const add = (a, b) => a + b; const double = n => add(n, n); console.log(double(3));


Answer: A
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Total 160 Questions | Updated On: Mar 05, 2026
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