AI PROJECTS BLOG

HOW IT WORKS COMPARISONS CHEATSHEETS INTERVIEWS NEWS CUT THE CHASE TUTORIALS TROUBLESHOOTING TAGS CATEGORIES

AI PROJECTS BLOG HOW IT WORKS COMPARISONS CHEATSHEETS INTERVIEWS NEWS CUT THE CHASE TUTORIALS TROUBLESHOOTING TAGS CATEGORIES

JavaScript Basics MCQ

Test your JavaScript knowledge with this interactive MCQ quiz.

Question 1

What is the correct way to declare a variable in JavaScript?

var myVar = 5; v myVar = 5; declare myVar = 5; variable myVar = 5;

Question 2

What will be the output of console.log(typeof undefined)?

"undefined" "null" "object" "string"

Question 3

Which method is used to add elements at the end of an array?

array.add() array.push() array.append() array.insert()

Question 4

What is the result of '5' + 3 in JavaScript?

8 2 "53" error

Question 5

Which keyword is used to define an async function?

async function myFunc() { } function async myFunc() { } async myFunc() { } function myFunc() async { }

Your Results

Score: 0/0 (0%)

AI VOID • Free to Consume • Privacy • Disclaimer • Cookies