---
title: "Mayank Sahai (@mayanksahai) | Hashnode"
description: "Learn and apply. Read the latest articles by Mayank Sahai on Hashnode."
url: "https://hashnode.com/@mayanksahai"
---

@mayanksahai

# Mayank Sahai

@mayanksahai · Noida, India · Joined November 2022

Learn and apply

[Website](https://www.mayanksahai.dev/)

### [Understanding WebSocket and creating from Scratch with JavaScript](https://codingmoon.hashnode.dev/understanding-websocket-and-creating-from-scratch-with-javascript?utm_source=hashnode&utm_medium=feed)

From Curious Note to Code: Crafting a Basic WebSocket Server

3 min read · [codingmoon.hashnode.dev](https://codingmoon.hashnode.dev/understanding-websocket-and-creating-from-scratch-with-javascript?utm_source=hashnode&utm_medium=feed)

[May 5, 2024](https://hashnode.com/posts/understanding-websocket-and-creating-from-scratch-with-javascript/6637ee8740e04c61af6b7a29)

### [EcmaScript 20\[16-17-18\]](https://codingmoon.hashnode.dev/ecmascript-2016-17-18?utm_source=hashnode&utm_medium=feed)

Exploring the Evolution of ECMAScript: Enhancements from 2016 to 2018

4 min read · [codingmoon.hashnode.dev](https://codingmoon.hashnode.dev/ecmascript-2016-17-18?utm_source=hashnode&utm_medium=feed)

[Jul 1, 2023](https://hashnode.com/posts/ecmascript-2016-17-18/64a028823a24c46534cc0ad7)

### [Introduction to Amazon Athena: A Fast and Cost-Effective Serverless Query Service](https://codingmoon.hashnode.dev/introduction-to-amazon-athena-a-fast-and-cost-effective-serverless-query-service?utm_source=hashnode&utm_medium=feed)

Harnessing the Power of Amazon Athena: Accelerate Data Analysis and Optimize Costs with Serverless SQL Queries

4 min read · [codingmoon.hashnode.dev](https://codingmoon.hashnode.dev/introduction-to-amazon-athena-a-fast-and-cost-effective-serverless-query-service?utm_source=hashnode&utm_medium=feed)

[Jun 3, 2023](https://hashnode.com/posts/introduction-to-amazon-athena-a-fast-and-cost-effective-serverless-query-service/647af7d034445f594176ae2b)

### [Learn ECMAScript 2015 (ES6) Features: Let, Arrow Functions, Classes, and more!](https://codingmoon.hashnode.dev/learn-ecmascript-2015-es6-features-let-arrow-functions-classes-and-more?utm_source=hashnode&utm_medium=feed)

The version that was embraced by devs with love!

6 min read · [codingmoon.hashnode.dev](https://codingmoon.hashnode.dev/learn-ecmascript-2015-es6-features-let-arrow-functions-classes-and-more?utm_source=hashnode&utm_medium=feed)

[Apr 30, 2023](https://hashnode.com/posts/learn-ecmascript-2015-es6-features-let-arrow-functions-classes-and-more/644eb40b9dd30fbeaf4cb185)

### [ECMA and ECMAScript: What You Need to Know](https://codingmoon.hashnode.dev/ecma-and-ecmascript-what-you-need-to-know?utm_source=hashnode&utm_medium=feed)

Everyone loves using it, but doesn't know much about it.🤔

2 min read · [codingmoon.hashnode.dev](https://codingmoon.hashnode.dev/ecma-and-ecmascript-what-you-need-to-know?utm_source=hashnode&utm_medium=feed)

[1](https://hashnode.com/posts/ecma-and-ecmascript-what-you-need-to-know/644cade93690b10b37d76cef) [Apr 29, 2023](https://hashnode.com/posts/ecma-and-ecmascript-what-you-need-to-know/644cade93690b10b37d76cef)