[Vue.js]改行された時に改行分の高さをとるテキストエリア - Qiita

<template> <textarea ref="adjust_textarea" v-model="textareaVal" class="c-input-textarea" :placeholder="placeholder" @keydown="adjustHeight" /> </template> <script> export default { name: 'BaseTextarea', props: { placeholder: { type: String, required: true, }, }, data() { return { textareaVal: '', } }, methods: { adjustHeight() { const textarea = this.$refs.adjust_textarea const resetHeight = new