我有var ar = [1, 2, 3, 4, 5]并想要一些函数getSubarray(array, fromIndex, toIndex),调用的结果getSubarray(ar, 1, 3)是新数组[2, 3, 4]。
var ar = [1, 2, 3, 4, 5]
getSubarray(array, fromIndex, toIndex)
getSubarray(ar, 1, 3)
[2, 3, 4]
看一眼 Array.slice(begin, end)
Array.slice(begin, end)
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);