---
title: "Navdeep Rohilla (@NavdeepRohilla) | Hashnode"
description: "Documenting my journey as a developer. Read the latest articles by Navdeep Rohilla on Hashnode."
url: "https://hashnode.com/@NavdeepRohilla"
---

@NavdeepRohilla

# Navdeep Rohilla

@NavdeepRohilla · Joined January 2026

Documenting my journey as a developer.

### [Async Code in NodeJS](https://javascript-journey-by-navdeep.hashnode.dev/async-code-in-nodejs?utm_source=hashnode&utm_medium=feed)

Learn how asynchronous code works in Node.js using callbacks, promises, async/await, and the event loop architecture.

3 min read · [javascript-journey-by-navdeep.hashnode.dev](https://javascript-journey-by-navdeep.hashnode.dev/async-code-in-nodejs?utm_source=hashnode&utm_medium=feed)

[May 10](https://hashnode.com/posts/async-code-in-nodejs/6a00af64e3eebc2e209eb842)

### [The new keyword in JS](https://javascript-journey-by-navdeep.hashnode.dev/the-new-keyword-in-js?utm_source=hashnode&utm_medium=feed)

Learn how the new keyword works in JavaScript, including constructor functions, prototypes, object creation, and this binding.

6 min read · [javascript-journey-by-navdeep.hashnode.dev](https://javascript-journey-by-navdeep.hashnode.dev/the-new-keyword-in-js?utm_source=hashnode&utm_medium=feed)

[May 10](https://hashnode.com/posts/the-new-keyword-in-js/6a00ae82e3eebc2e209e1fe3)

### [The this keyword in JS](https://javascript-journey-by-navdeep.hashnode.dev/the-this-keyword-in-js?utm_source=hashnode&utm_medium=feed)

Learn how the this keyword works in JavaScript across functions, objects, classes, arrow functions, and execution contexts.

8 min read · [javascript-journey-by-navdeep.hashnode.dev](https://javascript-journey-by-navdeep.hashnode.dev/the-this-keyword-in-js?utm_source=hashnode&utm_medium=feed)

[May 10](https://hashnode.com/posts/the-this-keyword-in-js/6a00ae27e3eebc2e209dd266)

### [Array Flatten in JS](https://javascript-journey-by-navdeep.hashnode.dev/array-flatten-in-js?utm_source=hashnode&utm_medium=feed)

Learn how to flatten nested arrays in JavaScript using recursion, flat(), reduce(), and interview-style implementations.

9 min read · [javascript-journey-by-navdeep.hashnode.dev](https://javascript-journey-by-navdeep.hashnode.dev/array-flatten-in-js?utm_source=hashnode&utm_medium=feed)

[May 10](https://hashnode.com/posts/array-flatten-in-js/6a00addfe3eebc2e209d9707)

### [String Polyphils and common Interview Methods](https://javascript-journey-by-navdeep.hashnode.dev/string-polyphils-and-common-interview-methods?utm_source=hashnode&utm_medium=feed)

Learn how common JavaScript string methods work by implementing polyfills and solving practical interview-style problems.

5 min read · [javascript-journey-by-navdeep.hashnode.dev](https://javascript-journey-by-navdeep.hashnode.dev/string-polyphils-and-common-interview-methods?utm_source=hashnode&utm_medium=feed)

[May 10](https://hashnode.com/posts/string-polyphils-and-common-interview-methods/6a00ad83e3eebc2e209d50e4)