vue怎么获取DOM节点？

Answer 1

<template>
  <div>
    <input ref="myInput" type="text" value="hello world">
    <button @click="getText">getText</button>
  </div>
</template>

<script>
  export default {
    methods: {
      getText() {
        const input = this.$refs.myInput
        console.log(input)
        alert(input.value)
      }
    }
  }
</script>

Answer 2

1、document.getElementById("id")
2、this.$refs.xx

还有一些特殊的，比如this.$root、this.$parent、this.$children