30 Front-End Web Development Quiz Questions and Answers

Front-End Web Development refers to the practice of creating and designing the visual elements of a website or web application that users interact with directly. It involves using programming languages such as HTML, CSS, and JavaScript to build the user interface and ensure a seamless user experience. Front-End developers are responsible for translating the design and user experience into functional and interactive web pages that can be accessed and used by visitors through their web browsers.

Here’s an introduction to the key technologies and concepts in Front-End Web Development:

HTML (Hypertext Markup Language): HTML is the foundational language used to create the structure and content of web pages. It uses tags to define elements such as headings, paragraphs, images, links, forms, and more. HTML provides the basic building blocks of a web page.

CSS (Cascading Style Sheets): CSS is a stylesheet language used to control the presentation and layout of HTML elements. It allows you to apply styles, such as colors, fonts, spacing, and positioning, to enhance the visual appearance of the website and make it more appealing to users.

JavaScript: JavaScript is a versatile and powerful programming language used for adding interactivity and dynamic behavior to web pages. With JavaScript, you can create features like animated elements, form validation, interactive maps, and much more. It also allows for communication with servers and handling user interactions.

Responsive Web Design: This concept focuses on designing websites that adapt and respond to different screen sizes and devices, such as desktops, tablets, and smartphones. It ensures that users have a consistent and optimized experience regardless of the device they use.

Front-End Frameworks/Libraries: Front-End development is often made more efficient and organized through the use of frameworks and libraries. Popular Front-End frameworks like React, Angular, and Vue.js provide pre-built components and tools to streamline the development process.

Article overview

• Part 1: 30 Front-End Web Development quiz questions & answers
• Part 2: Download Front-End Web Development questions & answers for free
• Part 3: Free online quiz software – OnlineExamMaker

Part 1: 30 Front-End Web Development quiz questions & answers

1. Question: What does HTML stand for?
a) Hyperlinks and Text Markup Language
b) Hypertext Markup Language
c) Home Tool Markup Language
d) Hyper Transfer Markup Language
Answer: b) Hypertext Markup Language

2. Question: Which of the following is NOT a valid HTML tag?
a) <header>
b) <section>
c) <paragraph>
d) <footer>
Answer: c) <paragraph>

3. Question: What is the purpose of CSS?
a) To define the structure of a web page
b) To add interactivity to a web page
c) To manage the database of a website
d) To control the presentation and layout of a web page
Answer: d) To control the presentation and layout of a web page

4. Question: Which CSS property is used to change the text color of an element?
a) color
b) font-color
c) text-color
d) font-style
Answer: a) color

5. Question: Which of the following is the correct way to comment in JavaScript?
a) // This is a comment
b) <!– This is a comment –>
c) \* This is a comment \*
d) # This is a comment
Answer: a) // This is a comment

6. Question: What is the purpose of the “DOMContentLoaded” event in JavaScript?
a) It triggers when the web page is first loaded in the browser.
b) It triggers when the DOM tree has finished loading and parsing.
c) It triggers when the user clicks on an element.
d) It triggers when an external CSS file is loaded.
Answer: b) It triggers when the DOM tree has finished loading and parsing.

7. Question: Which Front-End framework is developed by Facebook and is used for building user interfaces?
a) Angular
b) React
c) Vue.js
d) jQuery
Answer: b) React

8. Question: What is the purpose of the “box-sizing” CSS property?
a) To specify the size of a box element.
b) To add a border around a box element.
c) To control the padding and border of a box element.
d) To control how the total width and height of a box element are calculated.
Answer: d) To control how the total width and height of a box element are calculated.

9. Question: What does the “localStorage” object in JavaScript do?
a) It stores data as cookies on the user’s device.
b) It allows communication between different browser tabs.
c) It provides a way to store key-value pairs in the user’s web browser permanently.
d) It helps in storing temporary data during a session.
Answer: c) It provides a way to store key-value pairs in the user’s web browser permanently.

10. Question: Which HTML tag is used to create an unordered list?
a) <ul>
b) <ol>
c) <li>
d) <list>
Answer: a) <ul>

11. Question: What is the purpose of media queries in CSS?
a) To target specific devices and apply different styles based on their characteristics.
b) To embed multimedia content, such as videos and audio files, in a web page.
c) To create animated effects using CSS transitions and animations.
d) To write comments in CSS code to explain the styling rules.
Answer: a) To target specific devices and apply different styles based on their characteristics.

12. Question: Which JavaScript function is used to schedule a function to be executed after a specific interval?
a) setInterval()
b) setImmediate()
c) setTimeout()
d) requestAnimationFrame()
Answer: c) setTimeout()

13. Question: What is the purpose of the “flexbox” layout in CSS?
a) To create responsive images on a web page.
b) To apply rounded corners to elements.
c) To create flexible and responsive page layouts.
d) To add drop shadows to elements.
Answer: c) To create flexible and responsive page layouts.

14. Question: Which HTML tag is used to embed an image on a web page?
a) <img>
b) <image>
c) <picture>
d) <src>
Answer: a) <img>

15. Question: What is the purpose of the “data-” attribute in HTML?
a) To add custom data to an HTML element that can be accessed via JavaScript.
b) To create a link to an external data file.
c) To define the encoding type for form submissions.
d) To specify the language of the web page.
Answer: a) To add custom data to an HTML element that can be accessed via JavaScript.

Part 2: Download Front-End Web Development questions & answers for free

16. Question: Which JavaScript method is used to add a new element to the end of an array?
a) push()
b) unshift()
c) pop()
d) shift()
Answer: a) push()

17. Question: What is the purpose of the “aria-label” attribute in HTML?
a) To define a label for a form field.
b) To provide a tooltip for an element.
c) To indicate the language of a web page.
d) To provide accessibility information for screen readers.
Answer: d) To provide accessibility information for screen readers.

18. Question: Which Front-End tool is commonly used for task automation and build processes?
a) Sass
b) ESLint
c) Grunt
d) Bootstrap
Answer: c) Grunt

19. Question: How can you link an external JavaScript file to an HTML document?
a) <js src=”script.js”></js>
b) <link rel=”script” href=”script.js”>
c) <script href=”script.js”></script>
d) <script src=”script.js”></script>
Answer: d) <script src=”script.js”></script>

20. Question: Which CSS property is used to change the font size of an element?
a) font-size
b) text-size
c) font-style
d) size
Answer: a) font-size

21. Question: What is the purpose of the “async” attribute in the <script> tag?
a) It specifies that the script should be executed asynchronously and not block HTML parsing.
b) It specifies that the script should be executed after the page has finished loading.
c) It specifies that the script should be executed in the background while the user interacts with the page.
d) It specifies that the script should be executed in the order it appears in

the HTML document.
Answer: a) It specifies that the script should be executed asynchronously and not block HTML parsing.

22. Question: Which CSS property is used to add space between the content and the border of an element?
a) padding
b) margin
c) spacing
d) border-spacing
Answer: a) padding

23. Question: In JavaScript, what does the “NaN” value represent?
a) It stands for “Not a Null” and indicates an undefined value.
b) It represents the absence of a value.
c) It stands for “Not a Number” and indicates an unrepresentable value resulting from an invalid arithmetic operation.
d) It represents a negative number.
Answer: c) It stands for “Not a Number” and indicates an unrepresentable value resulting from an invalid arithmetic operation.

24. Question: Which Front-End framework is known for its simplicity and ease of integration into existing projects?
a) React
b) Vue.js
c) Angular
d) Ember.js
Answer: b) Vue.js

25. Question: What is the purpose of the “box-shadow” CSS property?
a) To create a 3D shadow effect on an element.
b) To apply a shadow on the border of an element.
c) To add a glow effect around an element.
d) To add a drop shadow to an element.
Answer: d) To add a drop shadow to an element.

26. Question: How can you select an HTML element with the class “example” using CSS?
a) <example>
b) .example
c) #example
d) <div class=”example”>
Answer: b) .example

27. Question: What is the purpose of the “transition” property in CSS?
a) To create a smooth scrolling effect on the web page.
b) To define the timing function for CSS animations.
c) To specify the time it takes for an element to disappear from the page.
d) To create smooth transitions between CSS property changes.
Answer: d) To create smooth transitions between CSS property changes.

28. Question: Which JavaScript method is used to remove the last element from an array?
a) push()
b) unshift()
c) pop()
d) shift()
Answer: c) pop()

29. Question: What is the purpose of the “form” element in HTML?
a) To create a link to an external webpage.
b) To define a section of content in a web page.
c) To add a button for submitting data to a server.
d) To create a list of options for the user to select from.
Answer: c) To add a button for submitting data to a server.

30. Question: Which CSS property is used to change the background color of an element?
a) background-color
b) color
c) background
d) bgcolor
Answer: a) background-color

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