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]); } }