initial
Returns all the elements of an array except the last one.
- Use
Array.prototype.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.
Array.prototype.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]