---
title: "Typing refs, computed and inject · vuejs.school"
description: "Let inference type most refs, and annotate the few places it cannot see, such as empty arrays, nulls, template refs, DOM events and injected values."
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> Index of every page on this site: [llms.txt](https://vuejs.school/llms.txt)

# **Typing refs, computed and inject**

Let inference type most refs, and annotate the few places it cannot see, such as empty arrays, nulls, template refs, DOM events and injected values.

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