Promise chainning

what is Promise chainning

A Promise-chain starts with new Promise constructor and usethen/catch as middle-party to pass the promise.result

Promise

Preface:Scene Imagination lead to Promise

Imagine that you’re a top singer, and fans ask day and night for your upcoming song.

Hey

这是我的第一篇博客。

preface

In the first blog I want to talk about methods of primitives.We know objects have methods and in javascript we have the power to treat them as they were objects.