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agent-skills/skills/vueuse-functions/references/useActiveElement.md
Jason Woltje f5792c40be feat: Complete fleet — 94 skills across 10+ domains
Pulled ALL skills from 15 source repositories:
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- coreyhaines31/marketingskills: 25 (marketing, CRO, SEO, growth)
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- Plus 13 individual skills from various repos

Mosaic Stack is not limited to coding — the Orchestrator and
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-16 16:27:42 -06:00

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---
category: Elements
---
# useActiveElement
Reactive `document.activeElement`
## Usage
```vue
<script setup lang="ts">
import { useActiveElement } from '@vueuse/core'
import { watch } from 'vue'
const activeElement = useActiveElement()
watch(activeElement, (el) => {
console.log('focus changed to', el)
})
</script>
```
## Component Usage
```vue
<template>
<UseActiveElement v-slot="{ element }">
Active element is {{ element?.dataset.id }}
</UseActiveElement>
</template>
```
## Type Declarations
```ts
export interface UseActiveElementOptions
extends ConfigurableWindow,
ConfigurableDocumentOrShadowRoot {
/**
* Search active element deeply inside shadow dom
*
* @default true
*/
deep?: boolean
/**
* Track active element when it's removed from the DOM
* Using a MutationObserver under the hood
* @default false
*/
triggerOnRemoval?: boolean
}
/**
* Reactive `document.activeElement`
*
* @see https://vueuse.org/useActiveElement
* @param options
*
* @__NO_SIDE_EFFECTS__
*/
export declare function useActiveElement<T extends HTMLElement>(
options?: UseActiveElementOptions,
): ShallowRef<T | null | undefined, T | null | undefined>
export type UseActiveElementReturn = ReturnType<typeof useActiveElement>
```