【Vue.js】消費税計算を簡単に行いたい
<div id="app"> <form> <label for="tax">消費税8%の場合:</label> <input type="text" id="tax" v-model.number="tax" @change="onchange"> </form> {{ onchange() }} </div> <script src="https://cdn.jsdelivr.net/npm/vue"></script> <script src="template.js" charset="utf-8"></script>
var app = new Vue({ el: '#app', data: { tax:'', }, methods: { onchange: function() { return this.tax * 1.08; } } });