Q
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]); }

Answer & Solution

Answer: Option A
Solution:
The code snippet uses a for loop to iterate through all elements of the array numbers and prints each element to the console. It starts with i being 0 and iterates until i is less than the length of the array (numbers.length). In each iteration, it accesses the element at index i using numbers[i] and logs it to the console. Therefore, the output will be: 1 2 3 4 5
Related Questions on Average

Which of the following JavaScript statements is used to execute a block of code repeatedly until a specified condition becomes false?

A). Function declaration statement

B). Conditional statement (if statement)

C). Assignment statement

D). Looping statement (do-while loop)

What will be the output of the following JavaScript code? Code: let x = 7; if (x % 2 === 0) { console.log('Even'); } else { console.log('Odd'); }

A). Even

B). Odd

C). 7

D). None of the above

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

A). 0 1 2 3

B). 0 1 2

C). 1 2 3

D). 1 2 3 4

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

A). 0 1 2 3

B). 0 1 2

C). 1 2 3

D). 1 2 3 4

What does the following JavaScript code snippet do? Code: let x = 5; while (x > 0) { console.log(x); x -= 1; }

A). Prints even numbers from 5 to 1

B). Prints odd numbers from 5 to 1

C). Prints numbers from 5 to 0

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 is the purpose of the following JavaScript statement? return result;

A). Exits the current loop or switch statement

B). Skips the current iteration in a loop

C). Exits the current function and returns a value

D). Continues to the next iteration in a loop

What does the following JavaScript code snippet do? Code: let x = 10; if (x % 2 === 0) { console.log('Even'); } else { console.log('Odd'); }

A). Checks if x is even and prints 'Even'

B). Checks if x is odd and prints 'Odd'

C). Checks if x is greater than 0 and prints 'Positive'

D). Checks if x is less than 0 and prints 'Negative'

What will be the output of the following JavaScript code? Code: let i = 1; do { console.log(i); i++; } while (i < 3);

A). 1 2 3

B). 1 2 3 4

C). 2 3 4

D). Infinite loop