Mapped types on tuples and arrays Mapped types on tuples and arrays In TypeScript 3.1, mapped object types[1] over tuples and arrays now produce new tuples/arrays, rather than...
异步示例 .resolves async /await 错误处理 .rejects Version: 27.2 异步示例 首先, 像 Getting Started 里面所说的那样, 启用babel的支持 Let’s implement a module that fetches user data from an API and ...
Promise Video.seek(number time) 参数 number time 返回值 Promise Promise Video.seek(number time) 视频跳转 参数 number time 视频跳转到指定位置,单位为 s 秒 返回值 Promise 视频跳转完成的 Promise 原文:...