Why is it important to clone an array without modifying the original in JavaScript?
JavaScript Mastery from Zero to Hero - Prepare for Coding Interviews - How to Clone Arrays with Slice in JavaScript

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To increase the speed of the program.
To ensure data integrity and prevent unwanted changes.
To make the code more readable.
To reduce memory usage.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the slice method in JavaScript?
To copy a portion of an array without altering the original.
To remove elements from an array.
To merge two arrays.
To sort an array.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many arguments does the slice method take?
One
Four
Two
Three
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example provided, what data is being cloned using the slice method?
Only coding-related data
Only physical training data
All training data
No data is cloned
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the starting index used in the example to clone the coding data?
0
1
3
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the slice method return when used correctly?
An error if the indices are out of range.
A string representation of the array.
The original array with elements removed.
A new array with the selected elements.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is verified at the end of the lesson regarding the slice method?
That the original array is modified.
That the slice method is deprecated.
That the slice method does not work as expected.
That the original array remains unchanged.
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