JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Sort Method / 075
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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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of the sort method in JavaScript?
It creates a new sorted array.
It sorts numbers based on their numerical value by default.
It is a non-destructive method.
It changes the original array.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might the default sort method not work as expected with numbers?
It sorts numbers based on their string representation.
It only sorts numbers in descending order.
It requires a custom function to sort strings.
It can only sort arrays with less than 10 elements.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a custom compare function in sorting?
To create a new array with sorted elements.
To define how two elements should be compared.
To sort only string arrays.
To sort arrays in reverse order.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a custom compare function, what does a negative return value indicate?
The elements are equal.
The second element should come before the first.
The first element is larger than the second.
The first element should come before the second.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a valid return value for a custom compare function?
Zero
Positive number
Negative number
String
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you sort an array of objects by a specific property?
By converting the objects to strings first.
By using the map function before sorting.
By using the default sort method.
By using a custom compare function that accesses the property.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of comparing two elements with equal values in a custom compare function?
The elements are swapped.
The elements remain in their original order.
The elements are removed from the array.
The elements are duplicated.
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