> For the complete documentation index, see [llms.txt](https://javascriptuse.gitbook.io/javascript/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://javascriptuse.gitbook.io/javascript/co-mot-su-that-su-dung-async-dong-nghia-voi-tra-ve-ket-qua-la-promise-ok.md).

# Có một sự thật sử dụng async đồng nghĩa với trả về kết quả là PROMISE (ok)

**Promise là một đối tượng đại diện cho việc hoàn thành hoặc không hoàn thành nhiệm vụ của người dùng. Một lời hứa trong JavaScript có thể ở ba trạng thái chờ xử lý, hoàn thành hoặc bị từ chối.**


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