30秒学会 JavaScript 片段 – drop

Returns a new array with n elements removed from the left.

Use Array.prototype.slice() to remove the specified number of elements from the left.

代码片段

const drop = (arr, n = 1) => arr.slice(n);

使用样例

drop([1, 2, 3]); // [2,3]
drop([1, 2, 3], 2); // [3]
drop([1, 2, 3], 42); // []