JavaScript Basics

Question 1

What is JavaScript used for in websites?

Answer 1

To add interactivity and dynamic behaviour.

Question 2

What is a variable in JavaScript?

Answer 2

A container for storing data (e.g. let name = “Alex”).

Question 3

What is an if statement?

Answer 3

A condition that runs code only if it’s true.

Question 4

What is a function in JavaScript?

Answer 4

A block of code that performs a task and can be reused.

Question 5

How do you get input from a user in JavaScript?

Answer 5

Using prompt() (e.g. let name = prompt(“Enter your name”)).