Why might you need to traverse through elements in the DOM?
Modern Web Design with HTML5, CSS3, and JavaScript - Element Children and Traversing Web Page Elements Using JavaScript

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Information Technology (IT), Architecture, Other
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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
To directly select elements with unique IDs
To apply styles to elements
To create new elements in the DOM
To access elements when direct selection is not possible
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key difference between HTMLCollection and NodeList?
HTMLCollection is an array, NodeList is not
NodeList can be iterated with forEach, HTMLCollection cannot
HTMLCollection can be iterated with forEach, NodeList cannot
NodeList is more specific to element nodes, HTMLCollection is not
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method can be used to loop through a NodeList?
reduce
filter
map
forEach
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you iterate through an HTMLCollection?
Using forEach
Using filter
Using a for loop
Using map
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What property do both HTMLCollection and NodeList share?
They both support map function
They both can be directly modified
They both are arrays
They both have a length property
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the challenge presented in the last section?
To remove all classes from the list items
To update the first and last list items with specific text and classes
To apply a class to all list items
To create a new unordered list
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which class is applied to the first list item in the challenge solution?
Blue
Green
Red
Yellow
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