JavaScript异步编程promise 的相关内容

文章 2022-09-04 来自：开发者社区

Node.js异步编程之Promise

Node.js异步编程之Promise前言先来介绍一下Promise是什么？Promise：当前事件循环得不到的结果，但未来的事件循环会给到你结果是一个状态机pending------还没有得到结果fulfilled/resolved------得到了一个正确的结果rejected------得到了一个错误的结果从代码入手(function(){ var promise = new Pr...

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