JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://unpkg.com/vue"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/axios/0.16.2/axios.js"></script>
<div id="test">
  <div v-for="v in user">{{v}}</div>
  <button @click="getUser">更新</button>
</div>

JavaScript

var vm_test = new Vue({
  el: '#test',
  data: {
    user: {}
  },
  methods: {
    getUser() {
      axios.get("https://jsonplaceholder.typicode.com/posts/1")
        .then(res => {
          this.user = res.data;
        })
        .catch(error => {
          console.log(error);
        });
    },
  }
});