Modern Web Design with HTML5, CSS3, and JavaScript - JavaScript Document Object Model (DOM) Element Selection Methods -
Interactive Video
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the querySelector method return?
All matching elements
The first matching element
An array of elements
A single element with a specific ID
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does querySelectorAll differ from querySelector?
It returns elements by their ID
It returns all matching elements
It does not return any elements
It returns only the last matching element
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a node list similar to?
A function
A string
An array
An object
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the starting index of a node list?
1
0
2
It varies
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to update the content of an element?
getElementById
innerHTML
textContent
setAttribute
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using template literals in this context?
To select elements
To define functions
To format strings dynamically
To create arrays
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you ensure when creating a loop to update list items?
The loop should never end
The loop should start at index 1
The loop should have a way to exit
The loop should only update the first item
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