Fundamentals of JavaScript

Fundamentals of JavaScript

University

10 Qs

quiz-placeholder

Similar activities

Essentials of Computer Science

Essentials of Computer Science

University

15 Qs

grammar

grammar

University

10 Qs

Calculus Teaching Quiz

Calculus Teaching Quiz

University

15 Qs

E-Content Development in Visual Communication Quiz

E-Content Development in Visual Communication Quiz

University

14 Qs

Java

Java

University

13 Qs

CSNP-04103 C++ Chapter 9-2 - Structs

CSNP-04103 C++ Chapter 9-2 - Structs

University - Professional Development

10 Qs

Starch cookery

Starch cookery

University

10 Qs

Carburetor and Fuel Injection Quiz

Carburetor and Fuel Injection Quiz

University

10 Qs

Fundamentals of JavaScript

Fundamentals of JavaScript

Assessment

Quiz

Others

University

Hard

Created by

Deepthi Surendran

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

let x = 5;

let x == 5;

var x = 5;

const x : 5;

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a JavaScript data type?

boolean

integer

string

undefined

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does 'NaN' stand for in JavaScript?

Number-Not-Available

Not-a-Name

Null-Value

Not-a-Number

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you create a function in JavaScript?

function:myFunction() { // function body }

function myFunction: { // function body }

function myFunction() { // function body } or const myFunction = () => { // function body }

myFunction() => { // function body }

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'this' keyword in JavaScript?

The 'this' keyword is used to refer to the current execution context or object.

The 'this' keyword is used to create new objects in JavaScript.

The 'this' keyword is a function that returns the current date.

The 'this' keyword is used to declare variables in JavaScript.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you add a comment in JavaScript?

Use // for single-line comments and /* comment */ for multi-line comments.

Use # for comments

Use for comments

Use // for multi-line comments only

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between '==' and '===' in JavaScript?

The difference is that '==' performs type coercion while '===' does not.

Both '==' and '===' perform type coercion.

'==' checks for strict equality while '===' checks for loose equality.

'==' and '===' are interchangeable operators.

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?