---
title: "Discussion on \"TypeScript Type Guards: An Introduction\" | Hashnode"
description: "Discussion on \"TypeScript Type Guards: An Introduction\". Type Guards are a TypeScript technique used to get information about the type of a variable, usually within a conditional or functional block. Type guards can prevent runtime errors in TypeScript by narrowing down the type of an object or variable. I..."
url: "https://hashnode.com/posts/typescript-type-guards-an-introduction/6409ed8f6b5ccef6ff20fff8"
---

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# [TypeScript Type Guards: An Introduction](https://irousta.hashnode.dev/typescript-type-guards-an-introduction?utm_source=hashnode&utm_medium=feed)

Type Guards are a TypeScript technique used to get information about the type of a variable, usually within a conditional or functional block. Type guards can prevent runtime errors in TypeScript by narrowing down the type of an object or variable. I...

Mar 9, 2023 · 8 min read · irousta.hashnode.dev  
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-   [#typescript](https://hashnode.com/tag/typescript)
-   [#type-guard](https://hashnode.com/tag/type-guard)
-   [#type-guard-ts](https://hashnode.com/tag/type-guard-ts)

## Written by

[Iman Rousta](https://hashnode.com/@irousta)

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