📅  最后修改于: 2022-03-11 15:02:02.450000             🧑  作者: Mango
const ar = [1, 2, 3, 4, 5];
// slice from 1..3 - add 1 as the end index is not included
const ar2 = ar.slice(1, 3 + 1);
console.log(ar2);