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title: "Reactivity in depth · vuejs.school"
description: "Choose how much Vue tracks with shallowRef(), markRaw() and toRaw(), and split or protect reactive state with toRefs() and readonly()."
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> Index of every page on this site: [llms.txt](https://vuejs.school/llms.txt)

# **Reactivity in depth**

Choose how much Vue tracks with shallowRef(), markRaw() and toRaw(), and split or protect reactive state with toRefs() and readonly().

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