useActiveElement
Reactive document.activeElement
Demo
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
This function also provides a renderless component version via the
@vueuse/components
package. Learn more about the 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>