Dev Patel

@devJPateldotcom

GujaratJoined January 2026

About

Hi, I’m DEVeloper passionate about building software that helps businesses grow, optimize their operations, and increase profitability. I focus on creating practical solutions that solve real-world problems and deliver measurable results.

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Dev Patel's blogs

devjpateldotcomdevjpateldotcom.hashnode.dev13 posts

Networkingcomputeraurnetwork.hashnode.dev6 posts

HTML & CSShtmlandcsswithbrowser.hashnode.dev4 posts

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Recently published

DPDev Pateldevjpateldotcom.hashnode.devMar 26 · 4 min read

Callbacks in JavaScript: Why They Exist and How They Power Async Code (2026 Guide)

JavaScript is single-threaded. It can do only one thing at a time. Yet modern web apps fetch data from servers, read files, set timers, and handle user clicks — all without freezing the UI. How does J

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DPDev Pateldevjpateldotcom.hashnode.devMar 26 · 5 min read

Unnesting the Chaos: Mastering Array Flattening in JavaScript (With Visuals & Interview Hacks)

Imagine this: You just fetched data from an API. It comes back looking like a Russian doll — arrays inside arrays inside arrays. Your task? Display everything in a simple list. One wrong move and your

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DPDev Pateldevjpateldotcom.hashnode.devMar 26 · 6 min read

From Spaghetti Code to Clean Architecture: Mastering JavaScript Modules with Import & Export

Imagine you're building a web app. At first, it's exciting: a login form here, some calculations there, a dashboard loading animations everywhere. You throw everything into one giant script.js file be

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DPDev Pateldevjpateldotcom.hashnode.devMar 13 · 5 min read

The Magic of this, call(), apply(), and bind() in JavaScript

Imagine you're at a big JavaScript party. Every function is a superhero with a special power. But here's the twist: Their superpower only works properly when they know who invited them — who is actual

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DPDev Pateldevjpateldotcom.hashnode.devMar 13 · 4 min read

Function Declaration vs Function Expression: What’s the Difference?

Hello! ☕Functions are one of the most powerful features in JavaScript. They let you write reusable blocks of code — write once, use many times. Instead of repeating the same logic everywhere, you defi

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Dev Patel

About

Available for

Dev Patel's blogs

Recently published

Callbacks in JavaScript: Why They Exist and How They Power Async Code (2026 Guide)

Unnesting the Chaos: Mastering Array Flattening in JavaScript (With Visuals & Interview Hacks)

From Spaghetti Code to Clean Architecture: Mastering JavaScript Modules with Import & Export

The Magic of this, call(), apply(), and bind() in JavaScript

Function Declaration vs Function Expression: What’s the Difference?

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Dev Patel

About

Available for

Dev Patel's blogs

Recently published

Callbacks in JavaScript: Why They Exist and How They Power Async Code (2026 Guide)

Unnesting the Chaos: Mastering Array Flattening in JavaScript (With Visuals & Interview Hacks)

From Spaghetti Code to Clean Architecture: Mastering JavaScript Modules with Import & Export

The Magic of this, call(), apply(), and bind() in JavaScript

Function Declaration vs Function Expression: What’s the Difference?