useWindowFocus

Reactively track window focus with window.onfocus and window.onblur events.

Usage

vue

<script setup lang="ts">
import { useWindowFocus } from '@vueuse/core'

const focused = useWindowFocus()
</script>

<template>
  <div>{{ focused }}</div>
</template>

Component Usage

vue

<template>
  <UseWindowFocus v-slot="{ focused }">
    Document Focus: {{ focused }}
  </UseWindowFocus>
</template>