---
title: "Discussion on \"What Does \"!\" Symbol Mean in Typescript?\" | Hashnode"
description: "Discussion on \"What Does \"!\" Symbol Mean in Typescript?\". An introduction to Definite Assignment Assertions in Typescript."
url: "https://hashnode.com/posts/what-does-exclamation-mark-symbol-mean-in-typescript/62fce3af1ebeafdc3d32d4bc"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [What Does "!" Symbol Mean in Typescript?](https://blog.ramadevsign.com/what-does-exclamation-mark-symbol-mean-in-typescript?utm_source=hashnode&utm_medium=feed)

An introduction to Definite Assignment Assertions in Typescript.

Aug 17, 2022 · 2 min read · blog.ramadevsign.com  
Read the article

-   [#typescript](https://hashnode.com/tag/typescript)
-   [#reactjs](https://hashnode.com/tag/reactjs)
-   [#stripe](https://hashnode.com/tag/stripe)

## Written by

[Ramadevsign (Rama Ochieng)](https://hashnode.com/@RamaSpeaksDevsign)

@RamaSpeaksDevsign · EMEA (GMT - GMT+3)

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

Devsigner(Developer & Designer) | Open Source Contributor

I am a Designer and Front End developer creating beautiful experiences online

## Responses

Markdown supported · ⌘↵ to post

No responses yet.