---
title: "Discussion on \"Under the hood of JSX\" | Hashnode"
description: "Discussion on \"Under the hood of JSX\". yaunghein recently asked a question in a Discord server with the following screenshot.\n\n\nI am trying to write vanilla JS inside JSX. So I tried it between {}. just console.log() works, but when I start using the \"let\" keyword, it starts getting an er..."
url: "https://hashnode.com/posts/under-the-hood-of-jsx/60a9f88e20d1f45ceb7ef115"
---

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# [Under the hood of JSX](https://minhajul.hashnode.dev/under-the-hood-of-jsx?utm_source=hashnode&utm_medium=feed)

yaunghein recently asked a question in a Discord server with the following screenshot. I am trying to write vanilla JS inside JSX. So I tried it between {}. just console.log() works, but when I start using the "let" keyword, it starts getting an er...

May 23, 2021 · 2 min read · minhajul.hashnode.dev  
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-   [#reactjs](https://hashnode.com/tag/reactjs)
-   [#jsx](https://hashnode.com/tag/jsx)
-   [#javascript](https://hashnode.com/tag/javascript)

## Written by

[Minhajul Karim](https://hashnode.com/@mkr)

@mkr

  
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Aspiring Full-Stack JS Developer

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