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promise和generator的应用区别
阅读量:338 次
发布时间:2019-03-04

本文共 200 字,大约阅读时间需要 1 分钟。

1.promise和generator主要都是处理异步请求,如果访问的内容元素固定,两者写法类似,其差别不大。其应用实例如下图:

在这里插入图片描述
在这里插入图片描述


2.带有逻辑判断之后,Promise就显得复杂的多,但是generator即使有逻辑也很简洁。举例如下

1.普通回调

在这里插入图片描述


2.带逻辑的promise

在这里插入图片描述
在这里插入图片描述


带逻辑的generator

在这里插入图片描述
综上所述:Promise适合一次读一堆固定格式的数据,generator适合读具有逻辑性的数据。

转载地址:http://dxde.baihongyu.com/

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