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. Inside which HTML element do we put the JavaScript?

A. '<script>'

B. '<js>'

C. '<javascript>'

D. '<code>'

2 / 15

2. 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

3 / 15

3. 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">

4 / 15

4. 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

5 / 15

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

A. '<footer>'

B. '<bottom>'

C. '<foot>'

D. '<section>'

6 / 15

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

A. color

B. bgcolor

C. background-color

D. bg-color

7 / 15

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

A. '<a>'

B. '<link>'

C. '<href>'

D. '<hyperlink>'

8 / 15

8. How do you create a function in JavaScript?

A. function = myFunction()

B. function myFunction()

C. function ()

D. function => myFunction()

9 / 15

9. 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

10 / 15

10. 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");

11 / 15

11. Which CSS property controls the text size?

A. text-size

B. font-size

C. font-style

D. text-style

12 / 15

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

A. '<style>'

B. '<css>'

C. '<script>'

D. '<link>'

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 attribute is used to define inline styles?

A. class

B. style

C. font

D. styles

15 / 15

15. What does CSS stand for?

A. Creative Style Sheets

B. Colorful Style Sheets

C. Cascading Style Sheets

D. Computer Style Sheets

Your score is

The average score is 68%

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Time is Over

Front End Developer Test 2

1 / 15

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

A. main.ts

B. index.html

C. app.module.ts

D. app.component.ts

2 / 15

2. 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 */

3 / 15

3. What is React.js?

A. A back-end framework

B. A front-end library

C. A database management system

D. A CSS preprocessor

4 / 15

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

A. getElementByClass()

B. getElementById()

C. getElementByTag()

D. getElementByName()

5 / 15

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

A. {{ }}

B. (( ))

C. [[ ]]

D. ( )

6 / 15

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

A. *

B. –

C. =

D. x

7 / 15

7. How do you declare a JavaScript variable?

A. var carName;

B. variable carName;

C. v carName;

D. var: carName;

8 / 15

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

A. onmouseover

B. onmouseclick

C. onclick

D. onchange

9 / 15

9. 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

10 / 15

10. 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

11 / 15

11. What is Angular?

A. A front-end framewor

B. A back-end framework

C. A database

D. A CSS preprocessor

12 / 15

12. Who developed React.js?

A. Google

B. Facebook

C. Microsoft

D. Apple

13 / 15

13. Who maintains Angular?

A. Facebook

B. Google

C. Microsoft

D. Twitter

14 / 15

14. 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'

15 / 15

15. 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

Your score is

The average score is 64%

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Time is Over

Front End Developer Test 3

1 / 15

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

A. SVN

B. Git

C. CVS

D. Mercurial

2 / 15

2. What is Vue.js?

A. A back-end framework

B. A front-end framework

C. A database

D. A CSS preprocessor

3 / 15

3. Which language is used for styling web pages?

A. HTML

B. JavaScript

C. CSS

D. Python

4 / 15

4. 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

5 / 15

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

A. .gitignore

B. .ignore

C. ignore.txt

D. gitignore.txt

6 / 15

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

A. GET

B. POST

C. PUT

D. DELETE

7 / 15

7. Who created Vue.js?

A. Evan You

B. Jordan Walke

C. Brad Green

D. Mark Otto

8 / 15

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

A. v-if

B. v-show

C. v-for

D. v-bind

9 / 15

9. 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

10 / 15

10. 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

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. 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

13 / 15

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

A. git clone

B. git pull

C. git fetch

D. git copy

14 / 15

14. Which of the following is a NoSQL database?

A. MySQL

B. MongoDB

C. PostgreSQL

D. SQLite

15 / 15

15. 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

Your score is

The average score is 67%

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Time is Over

Front End Developer Test 4

1 / 15

1. 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

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

A. Google Analytics

B. Lighthouse

C. MongoDB

D. Git

4 / 15

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

A. px

B. em

C. rem

D. vh/vw

5 / 15

5. 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

6 / 15

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

A. aria-label

B. alt

C. title

D. name

7 / 15

7. 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

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 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

10 / 15

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

A. WAI-ARIA

B. W3C

C. WCAG

D. HTML5

11 / 15

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

A. Bootstrap

B. jQuery

C. Angular

D. React

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. 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

14 / 15

14. 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

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 69%

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