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Ankur Kumawat

@ankurxdev

Joined January 2026

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Ankurhustlecoderankur.hashnode.dev55 posts

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Async Code in Node.js: Callbacks and Promises

May 10 · 6 min read · If you've been writing Node.js for even a short time, you've noticed something — almost nothing happens immediately. Reading a file, querying a database, making a network request — everything takes ti

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Sessions vs JWT vs Cookies: Understanding Authentication Approaches

May 10 · 8 min read · If you've been building anything with user logins, you've run into these three terms constantly. Sessions, cookies, JWT. Sometimes they get used interchangeably in tutorials, sometimes people act like

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JavaScript Modules: Import and Export Explained

May 10 · 6 min read · When you first start writing JavaScript, everything goes in one file. One big script, everything in the same place, it works and you move on. Fine for small stuff. Then the project grows. Your one fil

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Array Flatten in JavaScript

May 10 · 6 min read · So at some point you're going to run into an array that has arrays inside it. Maybe you got it from an API response, maybe you built it that way while processing data, maybe it's just an interview pro

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Template Literals in JavaScript

May 10 · 4 min read · This one's short. Not every JavaScript feature needs a deep dive and template literals are one of those things that just immediately make sense once you see them. But the before and after comparison i

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Ankur Kumawat

About

Available for

Ankur Kumawat's blogs

Recently published

Async Code in Node.js: Callbacks and Promises

Sessions vs JWT vs Cookies: Understanding Authentication Approaches

JavaScript Modules: Import and Export Explained

Array Flatten in JavaScript

Template Literals in JavaScript

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Ankur Kumawat

About

Available for

Ankur Kumawat's blogs

Recently published

Async Code in Node.js: Callbacks and Promises

Sessions vs JWT vs Cookies: Understanding Authentication Approaches

JavaScript Modules: Import and Export Explained

Array Flatten in JavaScript

Template Literals in JavaScript