复制
1// 题目需求
2let middleware = []
3middleware.push((next) => {
4    console.log(1)
5    next()
6    console.log(1.1)
7})
8middleware.push((next) => {
9    console.log(2)
10    next()
11    console.log(2.1)
12})
13middleware.push((next) => {
14    console.log(3)
15    next()
16    console.log(3.1)
17})
18
19let fn = compose(middleware)
20fn()
21
22
23/*
241
252
263
273.1
282.1
291.1
30*/
31
32//实现compose函数
33function compose(middlewares) {
34
35}