--- title: tail tags: array,beginner --- Returns all elements in an array except for the first one. - Return `Array.prototype.slice(1)` if `Array.prototype.length` is more than `1`, otherwise, return the whole array. ```js const tail = arr => (arr.length > 1 ? arr.slice(1) : arr); ``` ```js tail([1, 2, 3]); // [2, 3] tail([1]); // [1] ```