Quick JavaScript Crash Course - Modern and Advanced JavaScript - Spread Operators

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Information Technology (IT), Architecture
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University
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of REST parameters in JavaScript?
To expand iterables into individual elements
To perform mathematical operations
To collect user-supplied values into an array
To concatenate strings
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which version of Ecmascript introduced the REST and spread operators?
Ecmascript 8
Ecmascript 7
Ecmascript 6
Ecmascript 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the spread operator function in JavaScript?
It expands iterables into individual elements
It collects values into an array
It compresses arrays into a single value
It reverses the order of elements in an array
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key difference between REST and spread operators in function usage?
Both are used for sending values
Both are used for receiving values
REST is used for receiving values, spread for sending
REST is used for sending values, spread for receiving
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which part of a function is the spread operator typically used?
In the variable declaration
In the return statement
In the function call
In the function definition
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