194 B
194 B
Last of list
Use arr.length - 1 to compute index of the last element of the given array and returning it.
const lastOfArray = arr => arr[arr.length - 1];
// last([1,2,3]) -> 3
Use arr.length - 1 to compute index of the last element of the given array and returning it.
const lastOfArray = arr => arr[arr.length - 1];
// last([1,2,3]) -> 3