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title: "Lifecycle and template refs · vuejs.school"
description: "Run code when a component appears or leaves with onMounted() and onUnmounted(), reach real elements with useTemplateRef(), and wait for the page with nextTick()."
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> Index of every page on this site: [llms.txt](https://vuejs.school/llms.txt)

# **Lifecycle and template refs**

Run code when a component appears or leaves with onMounted() and onUnmounted(), reach real elements with useTemplateRef(), and wait for the page with nextTick().

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