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What does "async" mean in programming?
async is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
A keyword that marks a function as asynchronous, meaning it can perform non-blocking operations. An async function always returns a Promise.
Example
"async function fetchUser(id: number) { return await api.get(id); }"
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