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 will this code print?
How can you use nested loops to print elements in a two-dimensional array?
What is the length of arr in the following code?
How many times will the inner loop execute in the following nested loop?
What will the following nested loop output?
What is the output of this code using a two-dimensional array?
What happens when you attempt to access an element that is out of bounds in a nested array?
What is the result of this nested loop?
How do you reverse the inner array elements using nested loops?
What will be printed by the following nested loop?
What will this code print?
let arr = [[1, 2], [3, 4], [5, 6]]; for (let i = 0; i < arr.length; i++) { for (let j = 0; j < arr[i].length; j++) { console.log(arr[i][j]); } }
How can you use nested loops to print elements in a two-dimensional array?
What is the length of arr in the following code?
let arr = [[1, 2, 3], [4, 5], [6]];
How many times will the inner loop execute in the following nested loop?
let arr = [[1, 2], [3, 4], [5, 6, 7]]; for (let i = 0; i < arr.length; i++) { for (let j = 0; j < arr[i].length; j++) { console.log(arr[i][j]); } }
What will the following nested loop output?
let matrix = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]; for (let i = 0; i < matrix.length; i++) { console.log(matrix[i][i]); }
What is the output of this code using a two-dimensional array?
let arr = [[1, 2], [3, 4], [5, 6]]; for (let i = 0; i < arr.length; i++) { console.log(arr[i].length); }
What happens when you attempt to access an element that is out of bounds in a nested array?
let arr = [[1, 2], [3, 4]]; console.log(arr[2][0]);
What is the result of this nested loop?
let arr = [[], [1, 2, 3], [4]]; for (let i = 0; i < arr.length; i++) { for (let j = 0; j < arr[i].length; j++) { console.log(arr[i][j]); } }
How do you reverse the inner array elements using nested loops?
let arr = [[1, 2], [3, 4]]; for (let i = 0; i < arr.length; i++) { arr[i].reverse(); } console.log(arr);
What will be printed by the following nested loop?
let arr = [[1, 2], [3, 4], [5, 6]]; for (let i = 0; i < arr.length; i++) { for (let j = i; j < arr[i].length; j++) { console.log(arr[i][j]); } }