Hitesh Dhayal

@hiteshdhayal

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i am hitesh , i breathe and code

gurugramJoined August 2025

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Hitesh Dhayal's blogs

javascriptjavascript-hiteshdhayal.hashnode.dev42 posts

how AI worksai-for-children.hashnode.dev7 posts

git for beginnersgitforbeginnerbyhitesh.hashnode.dev3 posts

understanding HTML and its tagsunderstanding-html-and-its-tags.hashnode.dev3 posts

reactreact-hitesh.hashnode.dev2 posts

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Recently published

HDHitesh Dhayalbasicsofnetworking.hashnode.devMay 10 · 9 min read

Understanding Network Devices

Every time you load a webpage, send an email, or deploy a backend service, data travels through a chain of specialized devices. Each has one job, and together they move information from your laptop to

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HDHitesh Dhayaljavascript-hiteshdhayal.hashnode.devMay 10 · 6 min read

The Node.js Event Loop Explained

Node.js can handle thousands of simultaneous connections on a single thread. That sounds impossible until you understand the event loop—the mechanism that makes it all work. Why Node.js Needs an Event

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HDHitesh Dhayaljavascript-hiteshdhayal.hashnode.devMay 10 · 7 min read

JavaScript Operators: The Basics You Need to Know

Operators are the tools that let you manipulate values in JavaScript. They perform calculations, compare values, combine conditions, and assign results to variables. If variables are the nouns of prog

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HDHitesh Dhayaljavascript-hiteshdhayal.hashnode.devMay 10 · 5 min read

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

Functions are the building blocks of JavaScript. They let you write a piece of code once and reuse it whenever you need. Instead of writing the same logic ten times, you write it once inside a functio

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HDHitesh Dhayaljavascript-hiteshdhayal.hashnode.devMay 10 · 7 min read

Blocking vs Non-Blocking Code in Node.js

Node.js is famous for handling thousands of simultaneous connections on a single thread. That reputation isn't magic—it's the direct result of choosing non-blocking code over blocking code. Understand

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Hitesh Dhayal

About

Available for

Hitesh Dhayal's blogs

Recently published

Understanding Network Devices

The Node.js Event Loop Explained

JavaScript Operators: The Basics You Need to Know

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

Blocking vs Non-Blocking Code in Node.js

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Hitesh Dhayal

About

Available for

Hitesh Dhayal's blogs

Recently published

Understanding Network Devices

The Node.js Event Loop Explained

JavaScript Operators: The Basics You Need to Know

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

Blocking vs Non-Blocking Code in Node.js