tail
Returns a new array with all elements except for the first.
This function takes an array and returns a new array containing all the elements except for the first one. If the input array is empty or has only one element, an empty array is returned.
Signature
typescript
function tail<T>(arr: [T]): [];
function tail(arr: []): [];
function tail<T, U>(arr: [T, ...U[]]): U[];
function tail<T>(arr: T[]): T[];Parameters
arr(T[]): The array to get the tail of.
Returns
(T[]): A new array containing all elements of the input array except for the first one.
Examples
typescript
const arr1 = [1, 2, 3];
const result = tail(arr1);
// result will be [2, 3]
const arr2 = [1];
const result2 = tail(arr2);
// result2 will be []
const arr3 = [];
const result3 = tail(arr3);
// result3 will be []
Hung Hoang