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Alok Kumar Singh

@aloksingh8373Joined December 2025

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Understanding Promises in JavaScriptpromisejs8373.hashnode.dev2 posts JavaScript Operators: The Basics You Need to Knowoperatorsjs.hashnode.dev2 posts

Blocking vs Non-Blocking Code in Node.jsblocking-vs-non-blocking8373.hashnode.dev2 posts

How Node.js Handles Multiple Requests with a Single Threadnodejs-singlethread-8373.hashnode.dev2 posts DNS Record Types Explainedsinghalok8373.hashnode.dev1 post

Setting Up Your First Node.js Application Step-by-Step

1. Installing Node.js Before you start building any Node.js application, the first step is to install Node.js on your system. The good news is—it’s very simple and beginner-friendly. Step 1: Dow

Apr 30 · 7 min readnodejs-singlethread-8373.hashnode.dev

How Node.js Handles Multiple Requests with a Single Thread

1. Single-Threaded Nature of Node.js When we say Node.js is single-threaded, it means that it uses only one main thread to execute JavaScript code. Unlike traditional systems that create a new t

Apr 29 · 8 min readnodejs-singlethread-8373.hashnode.dev

What is Node.js? JavaScript on the Server Explained

1. What Node.js is Node.js is a runtime environment that allows you to run JavaScript outside the browser, mainly on the server. Traditionally, JavaScript was only used inside browsers (like Chrome o

Apr 29 · 10 min readnodejs8373.hashnode.dev

Async Code in Node.js: Callbacks and Promises

1. Why async code exists in Node.js 📌 Introduction Node.js is built to handle high-performance, scalable applications, especially servers that deal with thousands of users at the same time. To achiev

Apr 14 · 11 min readblocking-vs-non-blocking8373.hashnode.dev

Blocking vs Non-Blocking Code in Node.js

1. What blocking code means 📌 Introduction In Node.js, understanding blocking vs non-blocking code is crucial because it directly affects application performance and scalability. Since Node.js runs o

Apr 14 · 10 min readblocking-vs-non-blocking8373.hashnode.dev

Alok Kumar Singh

About

Available for

Alok Kumar Singh's blogs

Setting Up Your First Node.js Application Step-by-Step

How Node.js Handles Multiple Requests with a Single Thread

What is Node.js? JavaScript on the Server Explained

Async Code in Node.js: Callbacks and Promises

Blocking vs Non-Blocking Code in Node.js

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Alok Kumar Singh

About

Available for

Alok Kumar Singh's blogs

Setting Up Your First Node.js Application Step-by-Step

How Node.js Handles Multiple Requests with a Single Thread

What is Node.js? JavaScript on the Server Explained

Async Code in Node.js: Callbacks and Promises

Blocking vs Non-Blocking Code in Node.js