Full Stack Web Development MASTERY Course - Novice to Expert - Children Parent and Traversing the DOM

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Information Technology (IT), Architecture, Other
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University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to access the first element that matches a specified group of selectors?
getElementsByClassName
querySelector
getElementById
getElementsByTagName
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the DOM hierarchy, what is the relationship between the body tag and a div tag inside it?
Parent
Child
Ancestor
Sibling
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it not recommended to use child nodes for DOM manipulation?
It is slower than other methods
It counts blank text and comments
It does not work with querySelector
It only returns the first element
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a node type value of 1 represent?
Attribute
Text Node
Comment
HTML Element
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you retrieve a specific node using its index in JavaScript?
Using node type
Using node name
Using querySelector
Using getElementById
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the children property in DOM manipulation?
To retrieve the parent node
To find the next sibling
To count all nodes including text and comments
To access only element nodes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the firstElementChild property return?
The first child node
The first parent node
The first element node
The first sibling node
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