Q
What will be the output of the following JavaScript code? Code: let nums = [1, 2, 3, 4, 5]; for (let n of nums) { if (n % 2 === 0) { console.log(n); } }

Answer & Solution

Answer: Option B
Solution:
The code snippet uses a for...of loop to iterate through each element n in the array nums. Inside the loop, it checks if n is even (divisible by 2), and if so, it prints n to the console. Therefore, the output will be: 2 4
Related Questions on Average

What is the purpose of the following JavaScript statement? let result = x > 0 ? 'Positive' : 'Non-positive';

A). Assigns the value 'Positive' to result if x is greater than 0, otherwise assigns 'Non-positive'

B). Checks if x is greater than 0

C). Prints 'Positive' if x is greater than 0, otherwise prints 'Non-positive'

D). None of the above

What is the purpose of the following JavaScript statement? break;

A). Assigns a value to a variable

B). Exits the current loop or switch statement

C). Skips the current iteration in a loop

D). Continues to the next iteration in a loop

What does the following JavaScript code snippet do? Code: let numbers = [1, 2, 3, 4, 5]; let sum = 0; for (let num of numbers) { sum += num; } console.log(sum);

A). Finds the maximum number in the array numbers

B). Calculates the average of numbers in the array numbers

C). Sums all numbers in the array numbers

D). Checks if all numbers in the array numbers are even

Which of the following JavaScript statements is used to execute different code based on a specified condition?

A). Function declaration statement

B). Assignment statement

C). Conditional statement (if statement)

D). Looping statement (for loop)

What will be the output of the following JavaScript code? Code: let count = 0; do { console.log(count); count++; } while (count < 3);

A). 0 1 2 3

B). 0 1 2

C). 1 2 3

D). Infinite loop

What will be the output of the following JavaScript code? Code: let x = 15; if (x > 10) { console.log('x is greater than 10'); } else { console.log('x is not greater than 10'); }

A). x is greater than 10

B). x is not greater than 10

C). Undefined

D). Error

What does the following JavaScript code snippet do? Code: let numbers = [1, 2, 3, 4, 5]; for (let i = 0; i < numbers.length; i++) { console.log(numbers[i]); }

A). Prints all elements of the array numbers

B). Calculates the sum of elements in the array numbers

C). Finds the maximum element in the array numbers

D). Checks if all elements in the array numbers are even

What will be the output of the following JavaScript code? Code: let i = 3; do { console.log(i); i--; } while (i > 0);

A). 3 2 1

B). 2 1 0

C). 3 2 1 0

D). 1 2 3

What is the purpose of the following JavaScript statement? let name = 'John';

A). Declare a function

B). Declare a variable

C). Print a message to the console

D). Loop through an array

What is the purpose of the following JavaScript statement? continue;

A). Exits the current loop or switch statement

B). Skips the current iteration in a loop

C). Assigns a value to a variable

D). Continues to the next iteration in a loop