---
title: "Discussion on \"Promises in \" | Hashnode"
description: "Discussion on \"Promises in \". Introduction\nJavaScript is single-threaded, meaning it executes one operation at a time. But in the real world, applications constantly need to wait for API responses, file loading, or complex computa"
url: "https://hashnode.com/posts/promises-in/69cfb86021e7d635066c8657"
---

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# [Promises in](https://javascriptblogs02.hashnode.dev/promises-in?utm_source=hashnode&utm_medium=feed)

Introduction JavaScript is single-threaded, meaning it executes one operation at a time. But in the real world, applications constantly need to wait for API responses, file loading, or complex computa

Apr 3 · 5 min read · javascriptblogs02.hashnode.dev  
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