类:AbortController

\Class: AbortController

用于在选定的基于 Promise 的 API 中触发取消信号的实用工具类。该 API 基于 Web API AbortController。

\A utility class used to signal cancelation in selected Promise-based APIs. The API is based on the Web API AbortController.

const ac = new AbortController();
ac.signal.addEventListener('abort', () => console.log('Aborted!'),
 { once: true });
ac.abort();
console.log(ac.signal.aborted); // Prints True 拷贝