HTML CSS and JavaScript for Beginners - A Web Design Course - JavaScript DOM Selection

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Information Technology (IT), Architecture
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University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of the Document Object Model (DOM) in web development?
To style HTML elements
To represent HTML elements as objects
To manage server-side scripts
To store user data
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to select an element by its ID in JavaScript?
querySelector
getElementsByTagName
getElementByClassName
getElementById
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between a NodeList and an array in JavaScript?
NodeList is an object, not an array
NodeList can only hold strings
NodeList is faster than an array
NodeList is a type of array
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you select multiple elements with the same class name in JavaScript?
Using querySelector
Using getElementById
Using getElementsByClassName
Using getElementsByTagName
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the advantage of using querySelector in JavaScript?
It can only select elements by class name
It is faster than other selection methods
It can only select elements by ID
It allows selection using CSS-style selectors
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method would you use to select all elements that match a CSS selector?
querySelector
getElementById
getElementsByClassName
querySelectorAll
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the recommended way to select multiple elements when expecting more than one result?
Using getElementById
Using querySelector
Using querySelectorAll
Using getElementsByTagName
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