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30-seconds-of-code/snippets/drop-right.md
taltmann42 ae7732cd3e Update drop-right.md
shorter comparison of `n` and `arr.length`
2017-12-18 19:15:51 +01:00

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Array dropRight

Returns a new array with n elements removed from the right

Checks if n is shorter than the given array and slices it accordingly or returns an empty array

const (arr, n = 1) => n < arr.length ? arr.slice(0, arr.length - n) : []

//dropRight([1,2,3]) -> [1,2]
//dropRight([1,2,3], 2) -> [1]
//dropRight([1,2,3], 42) -> []