一个关于连续回调的面试题 - V2EX

一个关于连续回调的面试题 - V2EX

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V2EX = way to explore

V2EX 是一个关于分享和探索的地方

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这是一个创建于 2427 天前的主题，其中的信息可能已经有所发展或是发生改变。

网上一个比较有意思的前端面试题：

原文地址：
ttps://juejin.im/post/5c8610a7f265da2de970b3ab

看了很多网友的思路，总结和分析了一下，有些比较好理解有些也比较难理解：
http://www.qiutianaimeili.com/html/page/2019/03/8rfqp1yeul5.html

3 条回复 2019-03-21 12:03:37 +08:00

1

disflyer

2019-03-21 11:27:34 +08:00

1

let resolve = Promise.resolve()
arr.map((el) => {
resolve = resolve.then(() => {
return new Promise(el)
})
})

2

qiutianaimeili

OP

2019-03-21 11:55:37 +08:00

@disflyer 好思路

3

akatquas

2019-03-21 12:03:37 +08:00 via iPhone

构建 promise 队列，方法很多

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