How Much is True?

Published by Colin Brash in
arrayslanguage_fundamentals

Create a function which returns the number of true values there are in an array.

Examples

countTrue([true, false, false, true, false]) ➞ 2

countTrue([false, false, false, false]) ➞ 0

countTrue([]) ➞ 0

Notes

Return 0 if given an empty array.

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