Ranjan Kumar Nayak

@ranjan-blog

Full-stack Web & App Developer | Learning and building in public

Joined January 2026

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Ranjan Kumar Nayak's blogs

Fullstack developmentranjan-blog.hashnode.dev52 posts

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RKRanjan Kumar Nayakranjan-blog.hashnode.devMay 8 · 7 min read

What is Middleware in Express

Introduction When building backend applications with Express.js, requests often need additional processing before reaching the final route handler. Examples: Logging requests Authentication Request

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RKRanjan Kumar Nayakranjan-blog.hashnode.devMay 8 · 6 min read

JavaScriptt Arrays 101

Introduction In programming, we often need to store multiple values together. Examples: List of fruits Student marks Todo tasks Favorite movies Without arrays, we would need many separate variab

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RKRanjan Kumar Nayakranjan-blog.hashnode.devMay 8 · 7 min read

JavaScript Promises Explained for Beginners

Introduction JavaScript is single-threaded, meaning it executes one task at a time. But modern applications often perform slow operations like: API requests Database queries File reading Timers

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RKRanjan Kumar Nayakranjan-blog.hashnode.devMay 8 · 6 min read

Understanding the this Keyword in JavaScript

Introduction One of the most confusing concepts for JavaScript beginners is: this At first, this may feel strange because its value changes depending on how a function is called. But once you unders

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RKRanjan Kumar Nayakranjan-blog.hashnode.devMay 8 · 7 min read

The Node.js Event Loop Explained

Introduction One of the biggest reasons Node.js became popular is its ability to handle many requests efficiently using: The Event Loop The event loop is the heart of Node.js asynchronous behavior.

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Ranjan Kumar Nayak

About

Available for

Ranjan Kumar Nayak's blogs

Recently published

What is Middleware in Express

JavaScriptt Arrays 101

JavaScript Promises Explained for Beginners

Understanding the this Keyword in JavaScript

The Node.js Event Loop Explained

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Ranjan Kumar Nayak

About

Available for

Ranjan Kumar Nayak's blogs

Recently published

What is Middleware in Express

JavaScriptt Arrays 101

JavaScript Promises Explained for Beginners

Understanding the this Keyword in JavaScript

The Node.js Event Loop Explained