(MCQs for web) MCQ on Front-end Development

MCQ on Front-end Development with answers and explanations for placement tests and job interviews. These solved Front-end Development MCQs are useful for the campus placement for all freshers including Engineering Students, MCA students, Computer and IT Engineers, etc.

Our Front-end Development MCQ ( Front-end Development multiple Choice Questions ) focuses on all areas of the Front-end Development and their concept. We will regularly update the quiz and most interesting thing is that questions come in a random sequence. So every time you will feel new questions.

 

Guideline of Front-end Development MCQs:

This MCQ on Front-end Development is intended for checking your Front-end Development knowledge. It takes 40 minutes to pass the Front-end Development MCQ. If you don’t finish the MCQ on Front-end Development within the mentioned time, all the unanswered questions will count as wrong. You can miss the questions by clicking the “Next” button and return to the previous questions by the “Previous” button. Every unanswered question will count as wrong. MCQ on Front-end Development has features of randomization which feel you a new question set at every attempt.

In this MCQ on Front-end Development, we have also implemented a feature that not allowed the user to see the next question or finish the quiz without attempting the current Front-end Development MCQ.

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MCQ on Front-end Development

MCQ on Front-end Development: Multiple Choice Questions and Answers on Front-end Development

1 / 38

Which choice is a correct use of the parseInt() function in Javascript that parses a string and return an integer?

2 / 38

In this code, what is the term for the h1?

h1 {
  color: red;
  font-size: 5em;
}

 

3 / 38

Which part of the URL https://app.uniswap.org/pool specifies the domain name

4 / 38

Which choice is not a value of the type attribute of the <input> element?

5 / 38

When might an empty alt attribute be the correct value?

6 / 38

Lighthouse is a tool for auditing your website. Which choice is not a category of report offered by Lighthouse?

7 / 38

Which line of code, if applied to all flex items in a flex container, would cause each flex item to take up an equal share of the total width of the container? For example, if there are four items, they would get 25% of each/

8 / 38

In the context of this code, how would you describe user?

const user = {
  given_name: 'Joe',
  family_name: 'Bloggs',
  age: 40,
}

 

9 / 38

You have used dispaly: none in your stylesheet. Which users will be able to see or hear this content?

10 / 38

You find this code in a stylesheet. What is it being used for?

.cf::after {
  content: '';
  display: block;
  clear: both;
}

 

11 / 38

How can you rewrite this function using arrow function syntax?

12 / 38

A webpage has rel="preconnect" added to a link resource. What will this do?

<link rel="preconnect" href="https://example.com">

 

13 / 38

Which description correctly describes the initial values of flex items if the only thing you have done is apply display: flex to their parent?

14 / 38

Why would you surround a piece of text with <h1></h1> tags?

15 / 38

A video on your webpage does not display and the console shows an error about mixed content. What is happening?

16 / 38

What will be the value of selected?

let pocket = ['turnip', 'stone', 'log', 'apple'];
let selected = pocket[1];

 

17 / 38

Which attribute must have a unique value each time it is used in an HTML document?

18 / 38

You have a set of images that are slightly different sizes and aspect ratios. You don't mind if you crop off some of the image, but you want each image to completely fill a square box without being distorted. Which property and value would achieve this?

19 / 38

Which choice is not a render blocking resource?

20 / 38

Which HTML element represents either a scalar value within a known range a fractional value?

21 / 38

what does the CSS selector a[href$="org"] select?

22 / 38

You have placed an image in a directory named images and want to reference it from a page located in the root of your site. Which choice would correctly display the image on the page?

23 / 38

In the following code, the variable fruit has been assigned a value of apple. How would you change the value to plum?

let fruit = 'apple';

 

24 / 38

What is the correct way to initialize an array of galaxies in JavaScript?

25 / 38

Variables declared with the let keyword have what type of scope?

26 / 38

Which choice is not part of CSS box model

27 / 38

Which HTML will result in text being highlighted in yellow?

.highlight {
  background-color: yellow;
}

 

28 / 38

How many columns will there be, given this code?

.container {
  width: 600px;
  column-width: 200px;
  column-gap: 50px;
}

 

29 / 38

The browser finds some CSS that it does not understand. What is likely happen?

30 / 38

Which statement is true when an HTML tag has been deprecated?

31 / 38

Which HTML element is not considered a landmark element?

32 / 38

What does the === comparison operator do?

33 / 38

What will this loop print?

let max = 3;
     for (i = 0; i > max; i++) {
       document.write("skrt ");
     }

 

34 / 38

In normal flow, some elements display as block elements default and others inline. which choice contains only block-level by default elements?**

35 / 38

What is Webpack primarily used for?

36 / 38

Which CSS property will not trigger layout recalculation?

37 / 38

What is the <label> element used for?

38 / 38

How does the rem unit represent a font size?

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