JS Quiz

What does "JS" stand for in the context of web development?

• Java Server

• JavaScript

• Just Style

• Jumbo Script

What is the purpose of the console.log() function in JavaScript?

• To display a message on the console

• To log into the user interface

• To print to the printer

• To create a popup window

Which of the following is not a primitive data type in JavaScript?

• String

• Boolean

• Object

• Float

What does the "DOM" stand for in the context of web development?

• Document Object Model

• Data Object Model

• Dynamic Object Model

• Document Order Model

How do you comment a single line of code in JavaScript?

• <!-- This is a comment -->

• /* This is a comment */

• // This is a comment

• ' This is a comment

Which operator is used for strict equality in JavaScript?

• ==

• ===

• =

• !==

How do you declare a function in JavaScript?

• function = myFunction() {}

• function myFunction() {}

• let myFunction = function() {}

• def myFunction() {}

Which keyword is used to declare a variable in JavaScript?

• var

• variable

• v

• declare

What is the purpose of the parseInt() function in JavaScript?

• To convert a string to an integer

• To round off a decimal number

• To perform mathematical operations

• To concatenate two strings

In JavaScript, what is the purpose of the setTimeout() function?

• To delay the execution of a function

• To set a timer for the entire webpage

• To update the content of an HTML element

• To create an interval for repeated execution