---
title: "Rajit Kumar (@Rajitkumar) | Hashnode"
description: "Developer, engineer. Read the latest articles by Rajit Kumar on Hashnode."
url: "https://hashnode.com/@Rajitkumar"
---

@Rajitkumar

# Rajit Kumar

@Rajitkumar · india · Joined July 2022

Developer, engineer

[Website](https://rajitkumar.me/)

### [Mastering ArrayBuffer in JavaScript: A Guide to File Handling with Express.js and Next.js](https://rajit.hashnode.dev/mastering-arraybuffer-in-javascript-a-guide-to-file-handling-with-expressjs-and-nextjs?utm_source=hashnode&utm_medium=feed)

Explore Efficient Binary Data Management and File Processing Techniques in Modern Web Development

4 min read · [rajit.hashnode.dev](https://rajit.hashnode.dev/mastering-arraybuffer-in-javascript-a-guide-to-file-handling-with-expressjs-and-nextjs?utm_source=hashnode&utm_medium=feed)

[Nov 30, 2025](https://hashnode.com/posts/mastering-arraybuffer-in-javascript-a-guide-to-file-handling-with-expressjs-and-nextjs/692c5ea30dc1ae0b5ef926bb)

### [Git Cheat Sheet](https://rajit.hashnode.dev/git-cheat-sheet?utm_source=hashnode&utm_medium=feed)

Usefull git commands for beginners

7 min read · [rajit.hashnode.dev](https://rajit.hashnode.dev/git-cheat-sheet?utm_source=hashnode&utm_medium=feed)

[Oct 30, 2025](https://hashnode.com/posts/git-cheat-sheet/6320c2325483096daa0a8d53)

### [Quick and Simple Method for Pushing Code to GitHub Using Git](https://rajit.hashnode.dev/quick-and-simple-method-for-pushing-code-to-github-using-git?utm_source=hashnode&utm_medium=feed)

Easily Upload Your Code to GitHub with Git

2 min read · [rajit.hashnode.dev](https://rajit.hashnode.dev/quick-and-simple-method-for-pushing-code-to-github-using-git?utm_source=hashnode&utm_medium=feed)

[May 1, 2024](https://hashnode.com/posts/quick-and-simple-method-for-pushing-code-to-github-using-git/663219a8f40d76b46a473b29)

### [Understanding JavaScript Arrays: A Beginner's Guide](https://rajit.hashnode.dev/understanding-javascript-arrays-a-beginners-guide?utm_source=hashnode&utm_medium=feed)

Javascript Array: JavaScript array is an object that represents a colection of similar type of elements. An JavaScript array has the following characteristics: 1. First, an array can hold values of mixed types. For example, you can have an array tha...

3 min read · [rajit.hashnode.dev](https://rajit.hashnode.dev/understanding-javascript-arrays-a-beginners-guide?utm_source=hashnode&utm_medium=feed)

[May 1, 2024](https://hashnode.com/posts/understanding-javascript-arrays-a-beginners-guide/66320be73a14633f061df253)

### [Javascript Interview Preparation Cheatsheet](https://rajit.hashnode.dev/javascript-interview-preparation-cheatsheet?utm_source=hashnode&utm_medium=feed)

Table of contents :- scope Single threadCall StackHoisting Scope : The scope defines the accessibility of a variable, objects, and function. It is nothing but the boundary line. Let's say you define a variable string: const string = 'Hello'; conso...

10 min read · [rajit.hashnode.dev](https://rajit.hashnode.dev/javascript-interview-preparation-cheatsheet?utm_source=hashnode&utm_medium=feed)

[Sep 11, 2022](https://hashnode.com/posts/javascript-interview-preparation-cheatsheet/631dc8603e8d6f3497ad609b)