initial
Returns all the elements of an array except the last one.
Use arr.slice(0,-1) to return all but the last element of the array.
const initial = (arr) => arr.slice(0, -1);
initial([1, 2, 3]); // [1,2]
Returns all the elements of an array except the last one.
Use arr.slice(0,-1) to return all but the last element of the array.
const initial = (arr) => arr.slice(0, -1);
initial([1, 2, 3]); // [1,2]