之所以写这篇看似很基本的问题，是因为我在开发中遇到了一些诡异的现象。我在代码里写了一个 setTimeout，需要在200ms后执行，但是发现最后时间并不准确，一开始并不认为是setTimeout有问 题，所以花费了大量的时间去寻找那个幽灵。 下面步入正题： javascript是按照语句出现的顺序执行的。 看到这里估计有人要说你这不是废话吗！正因为js是一行一行执行的，所以我们以为js都是这样的： let a = '1'; console.log(a); let b = '2'; ...

WeChar Mini Program is a little app which deployed  in WeChat. So user can use mini program in WeChat expediently. Architecture and Flow The picture below is the flow of how this integration works: Business Flow user open mini program and assign t...

ICF - Internet Communication Framwork Internet Communication Framework (ICF) is a programming interface (API), based on interfaces and classes, used by ABAP programs to communicate with the Internet. ICF supports the Internet protocols HTTP, HTTPS, a...

1. Business Background As a simple business scenario, end customers follow the official WeChat account of a car dealer, and then submit service requests to the dealer via WeChat. The service agents of the dealer could respond to the service requests...