Modern Web Design with HTML5, CSS3, and JavaScript - Element Children and Traversing Web Page Elements Using JavaScript

Interactive Video
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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
Why might you need to traverse through elements in the DOM?
To access elements when direct selection is not possible
To create new HTML elements
To apply styles using CSS
To directly select elements with unique IDs
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key difference between HTMLCollection and NodeList?
HTMLCollection can be iterated with forEach, NodeList cannot
NodeList is a collection of HTML elements, HTMLCollection is not
HTMLCollection is more specific to elements, NodeList includes all node types
NodeList does not have a length property, HTMLCollection does
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method can be used to iterate over a NodeList?
reduce
map
filter
forEach
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you iterate through an HTMLCollection?
Using filter
Using map
Using a for loop
Using forEach
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What property do both HTMLCollection and NodeList share?
They both can be directly converted to arrays
They both have a length property
They both support the map method
They both are mutable
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the challenge presented in the final section?
To create a new unordered list
To apply a class and update text content for the first and last list items
To convert HTMLCollection to NodeList
To remove all child elements from a list
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which JavaScript method is used to add a class to an element?
element.style.add
element.setAttribute
element.classList.add
element.addClass
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