Free JS Institute JSE-40-01 Exam Questions

Become JS Institute Certified with updated JSE-40-01 exam questions and correct answers

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Total 263 Questions | Updated On: Dec 18, 2025
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Question 1

Analyze the following code:let x = false || true;let y = "true" && "false";let z = false && true;console.log(`${x} ${y} ${z}`);What will appear in the console as a result of its execution?


Answer: B
Question 2

Analyze the following code:const msg = "Hello";msg += " world";onsole.log(x);What exception will be thrown as a result of its execution attempt?


Answer: A
Question 3

Analyze the following code:let point = {x: 10, y: 20};for (let f in point) {    console.log(point[f]);}What will appear on the console as a result of its execution?


Answer: B
Question 4

Analyze the following code:let x = 10;ocnsole.log(x);What exception will be thrown as a result of its execution attempt?


Answer: D
Question 5

Analyze the following code:let id = "100";{    let id = 200;    id = id + 1;    console.log(id)}What will appear in the console as a result?


Answer: B
Page:    1 / 53      
Total 263 Questions | Updated On: Dec 18, 2025
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