feikerwu

> ``` > function fun(num){ > let num1 = num / 10; > let num2 = num % 10; > if(num1 return num; > }else{ > num1 = Math.floor(num1) >...

> > ```js > > function solution(number) { > > if (number < 0) { > > return `-${solution(Math.abs(number))}`; > > } > > > > if (number < 10)...

> > > > ```js > > > > function solution(number) { > > > > if (number < 0) { > > > > return `-${solution(Math.abs(number))}`; > > >...

```typescript /** * 根据order的顺序对数据排序 * @param arr 排序数组 * @param order 排序内容order */ function cunstomSort(arr: Array, order: Array): Array { return arr.sort((a, b) => order.indexOf(a) - order.indexOf(b)); } console.log( cunstomSort('红蓝蓝黄红黄蓝红红黄红'.split(''),...

```ts /** * 反转链表，每 k 个节点反转一次，不足 k 就保持原有顺序 */ interface ListItem { next: ListItem | null; value: any; } interface group { head: ListItem; tail: ListItem; } function reverseEveryKItems(head: ListItem,...