Frontend Web Development Bootcamp - Build a Twitter Clone - Select and manipulate the elements - Part 2

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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 function of the getElementById method?
To manipulate the inner HTML of an element
To change the style of an element
To select an element by its ID
To select all elements with a specific class name
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the querySelector method return?
A null value if no elements match
An array of elements
The first element that matches a specified CSS selector
All elements that match a specified CSS selector
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you select an element with a specific ID using querySelector?
By using a period (.) before the ID
By using a hash (#) before the ID
By using the element's class name
By using the element's tag name
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a NodeList?
An array-like object with a length property
A method to manipulate DOM elements
An array of elements
A single DOM element
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if you try to use an array method like push on a NodeList?
It will convert the NodeList into an array
It will add an item to the NodeList
It will remove an item from the NodeList
It will throw an error
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method would you use to select multiple elements with the same class name?
querySelector
getElementsByClassName
querySelectorAll
getElementById
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which DOM methods are considered the most popular for selecting elements?
getElementById, getElementsByTagName, and querySelector
getElementById, querySelector, and querySelectorAll
getElementsByClassName, querySelector, and querySelectorAll
querySelector, querySelectorAll, and getElementsByName
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