introduction to Javascript
What is JavaScript primarily used for in web development?
Adding interactivity to web pages
Which of the following is a correct way to declare a variable in JavaScript?
let x = 10;
Which symbol is used for single line comments in JavaScript?
//
Which of the following types is NOT a primitive type in JavaScript?
Object
What does the 'typeof' operator return when applied to a function?
function
What will the following code output? console.log(typeof null);
object
What is the default value of an uninitialized variable in JavaScript?
undefined
Which of the following is the correct syntax to write a function in JavaScript?
function myFunction() {}
What will '2' + 2 evaluate to in JavaScript?
22
Which HTML tag is used to include JavaScript code?
<script>