Intermediate TypeScript
Q71 / 100

What does the spread operator do when used with TypeScript tuples, e.g. "type T = [number, ...string[]]"?

Correct! Well done.

Incorrect.

The correct answer is B) It defines a tuple with a fixed first element of type number followed by zero or more strings

B

Correct Answer

It defines a tuple with a fixed first element of type number followed by zero or more strings

Explanation

Rest elements in tuple types allow a fixed prefix followed by a variable number of elements of a specified type.

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