---
title: "Divakar (@divakar29) | Hashnode"
description: "Divakar (@divakar29) writes on Hashnode. Read their latest articles and follow their work."
url: "https://hashnode.com/@divakar29"
---

@divakar29

# Divakar

@divakar29 · Joined November 2025

### [Authentication Using JWT](https://divakar29.hashnode.dev/authentication-using-jwt?utm_source=hashnode&utm_medium=feed)

For any application or product authentication is necessary. Authentication tells us who is the user, who is sending the request. Every application uses authentication. Authentication can be of two typ

4 min read · [divakar29.hashnode.dev](https://divakar29.hashnode.dev/authentication-using-jwt?utm_source=hashnode&utm_medium=feed)

[May 5](https://hashnode.com/posts/authentication-using-jwt/69f9402c46610fd606473e30)

### [Sessions VS JWT VS Cookies - Authentication Approaches](https://divakar29.hashnode.dev/sessions-vs-jwt-vs-cookies-authentication-approaches?utm_source=hashnode&utm_medium=feed)

Authentication is a very important module of any product/application. Whenever a MVP is built the first thing it should have is authentication service. Lets understand what is Authentication and how t

3 min read · [divakar29.hashnode.dev](https://divakar29.hashnode.dev/sessions-vs-jwt-vs-cookies-authentication-approaches?utm_source=hashnode&utm_medium=feed)

[May 4](https://hashnode.com/posts/sessions-vs-jwt-vs-cookies-authentication-approaches/69f7f37876c1469ba40c7c2a)

### [URL Parameters VS Query Strings](https://divakar29.hashnode.dev/url-parameters-vs-query-strings?utm_source=hashnode&utm_medium=feed)

Whenever you surf on internet using any browser chrome, brave ,arc, mozilla etc. You have definitely noticed whenever you go to another page the URL at the top of the browser changes. What is this URL

4 min read · [divakar29.hashnode.dev](https://divakar29.hashnode.dev/url-parameters-vs-query-strings?utm_source=hashnode&utm_medium=feed)

[May 4](https://hashnode.com/posts/url-parameters-vs-query-strings/69f7e21176c1469ba404832f)

### [String Polyfills & Common Interview Methods in Javascript](https://divakar29.hashnode.dev/string-polyfills-common-interview-methods-in-javascript?utm_source=hashnode&utm_medium=feed)

You will get to know what polyfills are and why we need them

3 min read · [divakar29.hashnode.dev](https://divakar29.hashnode.dev/string-polyfills-common-interview-methods-in-javascript?utm_source=hashnode&utm_medium=feed)

[Apr 27](https://hashnode.com/posts/string-polyfills-common-interview-methods-in-javascript/69ef9246330a1ad7f7027af8)

### [Synchronous VS Asynchronous JS](https://divakar29.hashnode.dev/synchronous-vs-asynchronous-js?utm_source=hashnode&utm_medium=feed)

You have definitely seen promises, async-await , callbacks in javascript. But have you questioned yourself why we need them. What functionality they provide? Let's understand both Synchronous behavior

4 min read · [divakar29.hashnode.dev](https://divakar29.hashnode.dev/synchronous-vs-asynchronous-js?utm_source=hashnode&utm_medium=feed)

[Apr 21](https://hashnode.com/posts/synchronous-vs-asynchronous-js/69e7d652e43672781495d9d4)