Front End Developer Test

Free Front End Developer Mock Test: Placement

Practice the free Online Front End Developer MCQ to get success in future placement. These questions cover a wide range of topics relevant to a front-end developer, including HTML, CSS, JavaScript, frameworks, version control, performance optimization, responsive design, accessibility, web security, testing, and more. These online mock test will help you in the time of final placements.

General Instructions:

1. Each Front End Developer test contains 15 questions.
2. Total allotted time is 20 minutes for each test.
3. No negative marking.
4. Try to finish it on time.
5. The Test will be submitted automatically if the time expired.
6. Don’t refresh the page.

Time is Over

Front End Developer Test 1

1 / 15

1. How do you write “Hello World” in an alert box?

A. alertBox("Hello World");

B. msgBox("Hello World");

C. alert("Hello World");

D. msg("Hello World");

2 / 15

2. What is the correct syntax for referring to an external script called “xxx.js”?

A. <script src="xxx.js">

B. <script href="xxx.js">

C. <script ref="xxx.js">

D. <script name="xxx.js">

3 / 15

3. Which HTML tag is used to define an internal style sheet?

A. '<style>'

B. '<css>'

C. '<script>'

D. '<link>'

4 / 15

4. Which tag is used to create a hyperlink in HTML?

A. '<a>'

B. '<link>'

C. '<href>'

D. '<hyperlink>'

5 / 15

5. How do you create a function in JavaScript?

A. function = myFunction()

B. function myFunction()

C. function ()

D. function => myFunction()

6 / 15

6. How do you make each word in a text start with a capital letter?

A. text-transform: capitalize

B. text-transform: uppercase

C. text-transform: lowercase

D. text-transform: none

7 / 15

7. Which CSS property controls the text size?

A. text-size

B. font-size

C. font-style

D. text-style

8 / 15

8. What does HTML stand for?

A. HyperText Markup Language

B. Hyperlinks and Text Markup Language

C. Home Tool Markup Language

D. Hyper Tool Markup Language

9 / 15

9. Where is the correct place to insert a JavaScript?

A. Both the <head> section and the <body> section are correct

B. The <head> section

C. The <body> section

D. The <footer> section

10 / 15

10. What does CSS stand for?

A. Creative Style Sheets

B. Colorful Style Sheets

C. Cascading Style Sheets

D. Computer Style Sheets

11 / 15

11. Which HTML attribute is used to define inline styles?

A. class

B. style

C. font

D. styles

12 / 15

12. Inside which HTML element do we put the JavaScript?

A. '<script>'

B. '<js>'

C. '<javascript>'

D. '<code>'

13 / 15

13. Which property is used to change the font of an element?

A. font-family

B. font-weight

C. font-style

D. font-variant

14 / 15

14. Which HTML element is used to specify a footer for a document or section?

A. '<footer>'

B. '<bottom>'

C. '<foot>'

D. '<section>'

15 / 15

15. Which property is used to change the background color?

A. color

B. bgcolor

C. background-color

D. bg-color

Your score is

The average score is 66%

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Time is Over

Front End Developer Test 2

1 / 15

1. What is the purpose of a key in React?

A. To identify elements uniquely among siblings

B. To add styles to elements

C. To create event listeners

D. To pass props to elements

2 / 15

2. Which event occurs when the user clicks on an HTML element?

A. onmouseover

B. onmouseclick

C. onclick

D. onchange

3 / 15

3. Who developed React.js?

A. Google

B. Facebook

C. Microsoft

D. Apple

4 / 15

4. How do you declare a JavaScript variable?

A. var carName;

B. variable carName;

C. v carName;

D. var: carName;

5 / 15

5. Who maintains Angular?

A. Facebook

B. Google

C. Microsoft

D. Twitter

6 / 15

6. How can you add a comment in a JavaScript?

A. <!– This is a comment –>

B. // This is a comment

C. ' This is a comment

D. /* This is a comment */

7 / 15

7. What is the correct syntax to import a component in React?

A. import { ComponentName } from 'module'

B. include { ComponentName } from 'module'

C. require('module').ComponentName

D. using ComponentName from 'module'

8 / 15

8. What is a state in React?

A. A permanent storage

B. A way to pass data to components

C. An object that determines how that component renders & behaves

D. A CSS framework

9 / 15

9. What is React.js?

A. A back-end framework

B. A front-end library

C. A database management system

D. A CSS preprocessor

10 / 15

10. Which operator is used to assign a value to a variable?

A. *

B. –

C. =

D. x

11 / 15

11. Which method is used to access an HTML element by its ID in JavaScript?

A. getElementByClass()

B. getElementById()

C. getElementByTag()

D. getElementByName()

12 / 15

12. Which file is the entry point of an Angular application?

A. main.ts

B. index.html

C. app.module.ts

D. app.component.ts

13 / 15

13. Which directive is used for data binding in Angular?

A. {{ }}

B. (( ))

C. [[ ]]

D. ( )

14 / 15

14. What is Angular?

A. A front-end framewor

B. A back-end framework

C. A database

D. A CSS preprocessor

15 / 15

15. What is the purpose of services in Angular?

A. To create components

B. To fetch data from APIs

C. To add styles

D. To create modules

Your score is

The average score is 57%

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Time is Over

Front End Developer Test 3

1 / 15

1. What is Vue.js?

A. A back-end framework

B. A front-end framework

C. A database

D. A CSS preprocessor

2 / 15

2. What command is used to clone a repository in Git?

A. git clone

B. git pull

C. git fetch

D. git copy

3 / 15

3. Who created Vue.js?

A. Evan You

B. Jordan Walke

C. Brad Green

D. Mark Otto

4 / 15

4. Which file is used to ignore files in a Git repository?

A. .gitignore

B. .ignore

C. ignore.txt

D. gitignore.txt

5 / 15

5. What is the purpose of a Content Delivery Network (CDN)?

A. To serve advertisements

B. To store backups

C. To deliver content quickly to users

D. To host websites

6 / 15

6. Which language is used for styling web pages?

A. HTML

B. JavaScript

C. CSS

D. Python

7 / 15

7. Which directive is used for conditional rendering in Vue.js?

A. v-if

B. v-show

C. v-for

D. v-bind

8 / 15

8. Which of the following is a distributed version control system?

A. SVN

B. Git

C. CVS

D. Mercurial

9 / 15

9. What is the command to create a new Vue.js project using Vue CLI?

A. vue create project-name

B. vue new project-name

C. vue init project-name

D. vue start project-name

10 / 15

10. How do you pass data from a parent component to a child component in Vue.js?

A. Using props

B. Using state

C. Using events

D. Using methods

11 / 15

11. What does JSON stand for?

A. Java Standard Object Notation

B. JavaScript Object Notation

C. JavaScript Oriented Notation

D. Java Serialized Object Notation

12 / 15

12. Which HTTP method is used to update a resource on the server?

A. GET

B. POST

C. PUT

D. DELETE

13 / 15

13. What is the purpose of version control systems?

A. To manage versions of a software project

B. To track changes in documents

C. To manage databases

D. To develop algorithms

14 / 15

14. Which of the following is a NoSQL database?

A. MySQL

B. MongoDB

C. PostgreSQL

D. SQLite

15 / 15

15. What does the commandgit commit -m "message"do?

A. Commits changes with a message

B. Merges changes with a message

C. Creates a new branch with a message

D. Deletes changes with a message

Your score is

The average score is 64%

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Time is Over

Front End Developer Test 4

1 / 15

1. Which of the following is a CSS framework for creating responsive web designs?

A. Bootstrap

B. jQuery

C. Angular

D. React

2 / 15

2. What does ARIA stand for in web development?

A. Accessible Rich Internet Applications

B. Accessible Responsive Internet Applications

C. Advanced Rich Internet Applications

D. Advanced Responsive Internet Applications

3 / 15

3. What does the term ‘First Contentful Paint’ refer to in web performance?

A. The time it takes for the server to respond

B. The time it takes for the first piece of content to appear on the screen

C. The time it takes for the entire page to load

D. The time it takes for the browser to start rendering the page

4 / 15

4. What is a skip link?

A. A link that allows users to skip navigation and jump to the main content

B. A link that skips to the next page

C. A link that skips to the previous page

D. A link that skips images

5 / 15

5. What is the purpose of media queries in CSS?

A. To apply styles conditionally based on device characteristics

B. To define animations

C. To add CSS variables

D. To embed fonts

6 / 15

6. What is the purpose of the alt attribute in an tag?

A. To provide alternative text for screen readers

B. To style the image

C. To link the image

D. To resize the image

7 / 15

7. Which HTML attribute is used to provide an accessible name for elements?

A. aria-label

B. alt

C. title

D. name

8 / 15

8. What is responsive web design?

A. Design that responds to user interactions

B. Design that adjusts to different screen sizes and devices

C. Design that is quick to load

D. Design that uses only CSS

9 / 15

9. What is the viewport meta tag used for?

A. To control the layout on mobile browsers

B. To include external CSS files

C. To enable JavaScript

D. To load images

10 / 15

10. Which tool can be used to measure the performance of a website?

A. Google Analytics

B. Lighthouse

C. MongoDB

D. Git

11 / 15

11. What does minification of CSS and JavaScript files involve?

A. Adding comments to files

B. Removing whitespace and comments to reduce file size

C. Expanding file size

D. Encrypting the files

12 / 15

12. What is lazy loading?

A. Loading images only when they are visible in the viewport

B. Loading all images at once

C. Loading images slowly

D. Preloading images

13 / 15

13. Which CSS unit is relative to the size of the viewport?

A. px

B. em

C. rem

D. vh/vw

14 / 15

14. Which of the following is a guideline for creating accessible web content?

A. WAI-ARIA

B. W3C

C. WCAG

D. HTML5

15 / 15

15. What is the purpose of a Service Worker in a web application?

A. To provide offline capabilities and background sync

B. To manage server resources

C. To handle CSS styles

D. To perform database operations

Your score is

The average score is 73%

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