Asynchronous Programming
Async patterns built on the event loop let DOM manipulation, remote data fetching, and server authentication run concurrently without freezing the UI. Promises represent the eventual success or failure of asynchronous operations and can be…
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Async patterns built on the event loop let DOM manipulation, remote data fetching, and server authentication run concurrently without freezing the UI. Promises represent the eventual success or failure of asynchronous operations and can be chained. Async/await lets promise-based asynchronous code be written and read in a synchronous style. Callbacks invoke supplied functions after asynchronous operations complete.