async await
时间: 2023-10-27 14:52:11 浏览: 79
Async/await is a programming feature in JavaScript that allows developers to write asynchronous code in a synchronous style. It is a syntax for writing code that runs asynchronously, but looks like synchronous code.
Async/await is built on top of promises, which are a way to handle asynchronous operations. Promises return an object that represents the eventual completion (or failure) of an asynchronous operation, allowing developers to write cleaner and more organized code.
Async/await makes it easier to write and read asynchronous code by allowing developers to write code that appears to be synchronous, while still running asynchronously under the hood. The syntax is simple and easy to understand, making it a popular choice among JavaScript developers.
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