Generate a Countdown of Numbers in an Array

Published by Peter Flynn in
arraysloops

Create a function that takes a number as an argument and returns an array of numbers counting down from this number to zero.

Examples

countdown(5) ➞ [5, 4, 3, 2, 1, 0]

countdown(1) ➞ [1, 0]

countdown(0) ➞ [0]

Notes

The argument will always be greater than or equal to zero.

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