<template>
    <view class="page flex justify-between flex-row">
      <text class="child">root node tagName：</text>
      <text class="tag-name">{{ el }}</text>
    </view>
</template>

<script setup lang='uts'>
const el = ref('')
const instance = getCurrentInstance()!.proxy!
onMounted(() => {el.value = instance.$el?.nodeName ?? ''})
</script>