---
title: "Mayur Kumar (@Mayurkmr) | Hashnode"
description: "Software Developer @instamojo. Read the latest articles by Mayur Kumar on Hashnode."
url: "https://hashnode.com/@Mayurkmr"
---

@Mayurkmr

# Mayur Kumar

@Mayurkmr · Joined September 2021

Software Developer @instamojo

### [Implement Polyfill for promise.all](https://mayurkumar.in/blog/implement-polyfill-for-promiseall?utm_source=hashnode&utm_medium=feed)

Learn how to implement a polyfill for JavaScript's Promise.all() to handle arrays of promises efficiently

3 min read · [mayurkumar.in](https://mayurkumar.in/blog/implement-polyfill-for-promiseall?utm_source=hashnode&utm_medium=feed)

[Jul 3, 2024](https://hashnode.com/posts/implement-polyfill-for-promiseall/66858f979e44b72e403abd60)

### [Design Patterns in JavaScript](https://mayurkumar.in/blog/design-patterns-in-javascript?utm_source=hashnode&utm_medium=feed)

Unlock the power of design patterns and elevate your coding skills with our expert guide. Learn how to optimize your code efficiency and tackle common chall

2 min read · [mayurkumar.in](https://mayurkumar.in/blog/design-patterns-in-javascript?utm_source=hashnode&utm_medium=feed)

[Apr 13, 2024](https://hashnode.com/posts/design-patterns-in-javascript/661a7ead0779b1fa0dc495a7)

### [Mastering JavaScript Promises by Building One From Scratch](https://mayurkumar.in/blog/mastering-javascript-promises-by-building-one-from-scratch?utm_source=hashnode&utm_medium=feed)

javascript promise important to interviews for frontend developers

4 min read · [mayurkumar.in](https://mayurkumar.in/blog/mastering-javascript-promises-by-building-one-from-scratch?utm_source=hashnode&utm_medium=feed)

[Feb 28, 2024](https://hashnode.com/posts/mastering-javascript-promises-by-building-one-from-scratch/65ded303cfa0fc791814b986)