ref获取元素
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当setup写在script中的时候
<template> <div ref="dom"></div> </template> <script setup> import { ref, onMounted } from "vue"; const dom = ref(null); onMounted(() => { console.log(dom.value); }); </script>
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当setup是单独写的时候
<template> <div ref="dom"></div> </template> <script> import { ref, onMounted } from "vue"; export default { setup() { const dom = ref(null); onMounted(() => { console.log(dom.value); }); return { dom } } } </script>