<div id="app">
<p ref="p">Lorem ipsum dolor, sit amet consectetur adipisicing elit. Iure commodi consectetur cumque nesciunt dolorem deleniti ipsum atque modi libero consequuntur, porro labore autem quod! Voluptatibus eos eveniet optio nemo atque.</p>
</div>const { createApp, onMounted, ref } = Vue;
const app = createApp({
setup() {
const p = ref(null);
onMounted(() => {
console.log('DOM：', p.value);
})
return {
p,
}
}
});
app.mount('#app');
External CSS
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