<template>
<input v-model="name" v-focus="{ background: 'red' }" />
<div>{{ title }}</div>
</template>
<script setup>
import { ref, reactive, provide } from 'vue'
const title = ref('yoga')
// 直接使用 必须以v开头
const vFocus = {
mounted: (...args) => {
console.log('mounted', args)
args.el.focus()
},
}
</script>
<style scoped></style>