---
title: "Discussion on \"Simple concepts of Modern JavaScript\" | Hashnode"
description: "Discussion on \"Simple concepts of Modern JavaScript\". Before I start, please note that this post is me trying to explain these concepts to myself so make sure I fully understood them and have these notes when I needed. There is much more to these concepts, but my notes will be summarized as very basic e..."
url: "https://hashnode.com/posts/simple-concepts-of-modern-javascript/5f9ac075fbdb1752f2533ea5"
---

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# [Simple concepts of Modern JavaScript](https://pachicodes.hashnode.dev/simple-concepts-of-modern-javascript?utm_source=hashnode&utm_medium=feed)

Before I start, please note that this post is me trying to explain these concepts to myself so make sure I fully understood them and have these notes when I needed. There is much more to these concepts, but my notes will be summarized as very basic e...

Oct 29, 2020 · 4 min read · pachicodes.hashnode.dev  
Updated Nov 18, 2020  
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## Written by

[Pachi](https://hashnode.com/@pachicodes)

@pachicodes · New Jersey, USA

  
[View profile](https://hashnode.com/@pachicodes)

DevRel Engineer/ Streamer

## Responses 2

Markdown supported · ⌘↵ to post

[Favourite Jome](https://hashnode.com/@Favourite)

[Oct 29, 2020](https://hashnode.com/posts/simple-concepts-of-modern-javascript/5f9ac075fbdb1752f2533ea5/comment/5f9af5a8dc38d954dab758ba)

Hello @pachi Nice and simple explainations

But I noticed at

```
//arrow function 
const = () => {console.log('Hello')}
```

Variable `const` should have a variable name. So as for it to be called later on.

[Pachi](https://hashnode.com/@pachicodes)

[Nov 18, 2020](https://hashnode.com/posts/simple-concepts-of-modern-javascript/5f9ac075fbdb1752f2533ea5/comment/5f9af5a8dc38d954dab758ba#reply-5fb46e24b589f1618af9dffa)

Thank you! I will fix that