useMutationObserver

观察对 DOM 树所做的更改。MDN 突变观察者

¥Watch for changes being made to the DOM tree. MutationObserver MDN

示例

源代码演练场

用法

¥Usage

<script setup lang="ts">
import { useMutationObserver } from '@vueuse/core'
import { ref, useTemplateRef } from 'vue'

const el = useTemplateRef('el')
const messages = ref([])

useMutationObserver(el, (mutations) => {
  if (mutations[0])
    messages.value.push(mutations[0].attributeName)
}, {
  attributes: true,
})
</script>

<template>
  <div ref="el">
    Hello VueUse
  </div>
</template>