9. Why is understanding the DOM important for web development? (1 point)

It allows manipulation of web page elements using JavaScript

It is necessary for database management

It is the only way to write HTML

It speeds up the website loading time

12. What does the const keyword in ES6 signify about a variable? (1 point)

The variable's value cannot be changed

The variable is constant in scope only

13. How do arrow functions differ from traditional functions in their handling of this?

this refers to the parent scope in arrow functions

this is always global in arrow functions

this is undefined in arrow functions

this can be set manually in arrow functions

14. What is a primary benefit of using arrow functions in ES6? (1 point)

Shorter syntax and no binding of this

15. Which of the following is true about the let keyword in ES6?

let provides block-level scoping

Variables declared with let can be redeclared

let variables are hoisted to the top of the block

16. What do enhanced object literals in ES6 provide? (1 point)

More concise syntax for object property and method declaration

Improved performance for object creation

Ability to create objects from arrays

Automatic conversion of objects to JSON format

18. In ES6, what is the purpose of the spread operator...? (1 point)

To expand or spread an iterable into individual elements

To calculate the length of an array

19. What is the main use of the rest parameter in ES6? (1 point)

To represent an indefinite number of arguments as an array

To specify mandatory parameters in a function

To increase the performance of functions

To define a restful API in JavaScript

20. Which statement is true about template literals in ES6? (1 point)

They allow embedded expressions and multi-line strings

They can only be used for string creation

They are the same as traditional strings

24. What is the role of the viewport meta tag in Responsive Web Design?

To control the layout on mobile browsers

25. Which of these is a correct syntax for a media query in CSS? (1 point)

@media screen and (max-width: 600px)

media screen (max-width: 600px}

screen @media (max-width: 600px)

28. What happens to a sidebar with the class .sidebar styled with display: none; in a media query under 768px?

It moves to the top of the page

29. What does max-width: 100%; do for images in Responsive Web Design?

Makes images responsive by allowing them to scale down

Allows images to scale up beyond their original size

30. What is the effect of setting width in CSS to a relative unit like %? (1 point)

It ties the element's size to the screen size

It makes the element fixed size

It hides the element on smaller screens

It changes the element's color based on screen size

WEB DEV

Authored by James Esponilla

Information Technology (IT)

2nd Grade

Used 1+ times

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30 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. What is the DOM in web development?

A database management system

A programming interface for HTML documents

A web server

A JavaScript library

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2. What does the DOM tree represent? (1 point)

The JavaScript code structure

The CSS styling hierarchy

The structure of a web page

The server architecture

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. In the DOM tree, what are child nodes? (1 point)

Elements contained within a parent element

The topmost elements in the hierarchy

External resources linked to the document

The server responses

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4. What does childNodes return in the DOM? (1 point)

The parent of an element

All sibling elements

A collection of an element's child nodes

The first child of an element

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5. What is the significance of parent-child relationships in the DOM? (1 point)

They define the network status

They determine the server response time

They represent the nesting of elements

They control the JavaScript execution

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6. Which method returns the next sibling node of an element in the DOM? (1 point)

element.previousSibling

element.parentNode

element.nextSibling

element.firstChild

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7. What does firstChild return in the DOM? (1 point)

The first sibling element

The last child node of an element

The parent node of an element

The first child node of an element

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WEB DEV

1. What is the DOM in web development?

2. What does the DOM tree represent? (1 point)

3. In the DOM tree, what are child nodes? (1 point)

4. What does childNodes return in the DOM? (1 point)

5. What is the significance of parent-child relationships in the DOM? (1 point)

6. Which method returns the next sibling node of an element in the DOM? (1 point)

7. What does firstChild return in the DOM? (1 point)

8. Which DOM property returns the previous sibling node of an element? (1 point)

9. Why is understanding the DOM important for web development? (1 point)

10. In a DOM tree, which element is typically the immediate parent of the <h1> element in a simple HTML document?

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