1.代码

<script src="https://unpkg.com/vue@next" rel="external nofollow" ></script>
<div id="two-way-binding">
  <p>{{ message }}</p>
  <input v-model="message" />
</div>
<script>
const TwoWayBinding = {
  data() {
    return {
      message: 'Hello Vue!'
    }
  }
}
Vue.createApp(TwoWayBinding).mount('#two-way-binding')
</script>

2.运行结果