---
title: "Discussion on \"Type Annotations in TypeScript - Simple & Code Examples\" | Hashnode"
description: "Discussion on \"Type Annotations in TypeScript - Simple & Code Examples\". In TypeScript, type annotations are used to specify the data type of a variable, function return type, or function parameter type. They provide the TypeScript compiler with information about the type of data a variable can store, which can help catch..."
url: "https://hashnode.com/posts/type-annotations-in-typescript/63e5f36c1bd11e8e8ef9b629"
---

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# [Type Annotations in TypeScript - Simple & Code Examples](https://blog.esthersoftware.dev/type-annotations-in-typescript?utm_source=hashnode&utm_medium=feed)

In TypeScript, type annotations are used to specify the data type of a variable, function return type, or function parameter type. They provide the TypeScript compiler with information about the type of data a variable can store, which can help catch...

May 31, 2022 · 2 min read · blog.esthersoftware.dev  
Updated Feb 25, 2023  
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## Written by

[Anabel (Esther) White | אסתר קול דסקלוב](https://hashnode.com/@esthersoftwaredev)

@esthersoftwaredev · Sofia, Bulgaria

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

Former Full Stack Developer

EstherSoftwareDev is one of the handles I used while I was in the tech field, I am no longer in the tech field.

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