#promises
3 pages tagged promises.
3/3
Asynchronous Programming
Non-blocking concurrency built on event loops, futures, promises, and coroutines that lets a single thread overlap many in-flight I/O operations.
Promises
JavaScript Promises represent the eventual completion or failure of an async operation. Covers states, chaining, combinators, callback conversion, AbortController, and common anti-patterns.
Async / Await
async/await syntax, error handling, parallel execution with Promise.all, sequential vs parallel loops, top-level await, AbortController, and common mistakes.