Why is it important to clone arrays in JavaScript?
JavaScript Mastery from Zero to Hero - Prepare for Coding Interviews - How to Clone Arrays with Slice in JavaScript

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To increase execution speed
To reduce memory usage
To create a backup without altering the original
To modify the original array
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the slice method in JavaScript?
To remove elements from an array
To copy elements from an array without modifying it
To sort elements in an array
To add elements to an array
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many arguments does the slice method take?
One
Three
Four
Two
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example, what data is being cloned using the slice method?
Physical training data
Coding-related data
All training data
Only React videos
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the starting index used in the example to clone the coding data?
0
1
2
3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the slice method ensure about the original array?
It remains unchanged
It is deleted
It is sorted
It is modified
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final outcome of using the slice method in the example?
The original array is altered
The original array is deleted
The desired data is cloned without changing the original
The entire array is copied
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