今天，就带大家走进 JavaScript 期约的世界，看看这个异步领域的重要角色到底是怎么玩的。 不知道大家有没有遇到过这样的场景：你去餐厅点了一份牛排，服务员告诉你：“好的，请稍等，做好之后我会叫你。” 这个时候，你不会一直站在厨房门口等着吧？

The November 2 draft separates embedder delegation, caller discovery and provider exposure for cross-origin in-page tools.

Promises Promises are a mechanism for structuring asynchronous code. When used correctly, Promises avoid some of the issues of callbacks. For these reasons, a good default is to prefer promises over ...

Write functions, generics, classes and modules in TypeScript 7 that Node.js runs exactly as you wrote them, and that the compiler checks before they ever run. This repository holds every example from ...