---
title: "Gopal Krishna Mohapatra (@technocycho) | Hashnode"
description: "buddind Dev. Read the latest articles by Gopal Krishna Mohapatra on Hashnode."
url: "https://hashnode.com/@technocycho"
---

@technocycho

# Gopal Krishna Mohapatra

@technocycho · Odisha, India · Joined December 2025

buddind Dev

### [Array Methods You Must Know in JavaScript](https://learnjavascript-by-jarvis.hashnode.dev/array-methods-you-must-know-in-javascript?utm_source=hashnode&utm_medium=feed)

Learn push, pop, map, filter, reduce and more JavaScript array methods with simple examples, before/after visuals, and a hands-on assignment.

8 min read · [learnjavascript-by-jarvis.hashnode.dev](https://learnjavascript-by-jarvis.hashnode.dev/array-methods-you-must-know-in-javascript?utm_source=hashnode&utm_medium=feed)

[Mar 14](https://hashnode.com/posts/array-methods-you-must-know-in-javascript/69b50f32210c74252fcba96c)

### [Understanding Object-Oriented Programming in JavaScript](https://learnjavascript-by-jarvis.hashnode.dev/understanding-object-oriented-programming-in-javascript?utm_source=hashnode&utm_medium=feed)

Learn OOP in JavaScript — classes, constructors, methods, and encapsulation explained with simple real-world examples for beginners.

7 min read · [learnjavascript-by-jarvis.hashnode.dev](https://learnjavascript-by-jarvis.hashnode.dev/understanding-object-oriented-programming-in-javascript?utm_source=hashnode&utm_medium=feed)

[Mar 14](https://hashnode.com/posts/understanding-object-oriented-programming-in-javascript/69b65d3c34db550e2c4ef344)

### [The Magic of this, call(), apply(), and bind() in JavaScript](https://learnjavascript-by-jarvis.hashnode.dev/the-magic-of-this-call-apply-and-bind-in-javascript?utm_source=hashnode&utm_medium=feed)

Understand how this works in JavaScript and learn call(), apply(), and bind() with simple examples, clear comparisons, and practical assignments.

6 min read · [learnjavascript-by-jarvis.hashnode.dev](https://learnjavascript-by-jarvis.hashnode.dev/the-magic-of-this-call-apply-and-bind-in-javascript?utm_source=hashnode&utm_medium=feed)

[Mar 13](https://hashnode.com/posts/the-magic-of-this-call-apply-and-bind-in-javascript/69b4733d210c74252f901701)

### [Function Declaration vs Function Expression: What's the Difference?](https://learnjavascript-by-jarvis.hashnode.dev/function-declaration-vs-function-expression-what-s-the-difference?utm_source=hashnode&utm_medium=feed)

Learn the difference between function declarations and expressions in JavaScript, including hoisting explained simply with practical examples.

7 min read · [learnjavascript-by-jarvis.hashnode.dev](https://learnjavascript-by-jarvis.hashnode.dev/function-declaration-vs-function-expression-what-s-the-difference?utm_source=hashnode&utm_medium=feed)

[Mar 13](https://hashnode.com/posts/function-declaration-vs-function-expression-what-s-the-difference/69b3cf23c9e75ce33d85328d)

### [Arrow Functions in JavaScript: A Simpler Way to Write Functions](https://learnjavascript-by-jarvis.hashnode.dev/arrow-functions-in-javascript-a-simpler-way-to-write-functions?utm_source=hashnode&utm_medium=feed)

Learn JavaScript arrow functions from scratch — syntax, implicit return, single vs multiple parameters, and how they compare to normal functions.

7 min read · [learnjavascript-by-jarvis.hashnode.dev](https://learnjavascript-by-jarvis.hashnode.dev/arrow-functions-in-javascript-a-simpler-way-to-write-functions?utm_source=hashnode&utm_medium=feed)

[Mar 13](https://hashnode.com/posts/arrow-functions-in-javascript-a-simpler-way-to-write-functions/69b6552834db550e2c459f18)