Instructions

  • 1. Your final score will reflect your grasp of the concepts—approach each question with precision.
  • 2. Thoroughly review each solution before proceeding to ensure full understanding.
  • 3. Final results will be available after submission to provide insights into areas for further improvement.
  • 4. Maintain academic integrity—plagiarism undermines learning and professional growth.
  • 5. Once submitted, responses are final, so ensure you’re confident in your answers.
  • 6. These challenges are designed to test practical knowledge; apply your skills as you would in real-world scenarios.

All Problems

Question

Action

What is the main difference between a while loop and a do-while loop?

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What will be the output of the following code?

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In which case is it more appropriate to use a do-while loop instead of a while loop?

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What will be the result of the following code?

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What happens if the condition in a do-while loop is always true?

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What will this code output?

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What is printed by this do-while loop?

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How many times will the following loop run?

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What is the value of x after this loop executes?

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What is the correct syntax for a do-while loop?

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What is the main difference between a while loop and a do-while loop?

A while loop always executes once, while a do-while loop may not
A do-while loop always executes once, while a while loop may not
A while loop executes the code block after checking the condition
There is no difference

What will be the output of the following code?

let x = 0; do { console.log(x); x++; } while (x < 3);

0 1 2
0 1 2 3
1 2 3
No output

In which case is it more appropriate to use a do-while loop instead of a while loop?

When you don't want the code to run if the condition is false
When you want the code to run at least once regardless of the condition
When you want to run an infinite loop
When the condition will always be true

What will be the result of the following code?

let num = 5; do { console.log(num); } while (num < 5);

5
No output
5 5 5 5
Syntax error

What happens if the condition in a do-while loop is always true?

let i = 0; do { console.log(i); } while (true);

The loop runs indefinitely
The loop runs only once
It throws an error
It exits after printing the value of i

What will this code output?

let count = 0; do { count++; } while (count < 5); console.log(count);

4
5
6
0

What is printed by this do-while loop?

let n = 10; do { console.log(n); n--; } while (n > 8);

10 9
10
10 9 8
9 8

How many times will the following loop run?

let k = 7; do { k--; } while (k > 10);

0 times
1 time
3 times
5 times

What is the value of x after this loop executes?

let x = 0; do { x += 2; } while (x < 10);

8
10
12
14

What is the correct syntax for a do-while loop?

do (condition) { code } while;
while { code } do (condition);
do { code } while (condition);
o while (condition) { code };