<div id="app">
  <h2>使用 is 顯示單一組件</h2>
  <primary-component :data="item"></primary-component>
  <div is="primary-component" :data="item"></div>
</div>

<script type="text/x-template" id="primaryComponent">
<div class="card text-white bg-primary mb-3" style="max-width: 18rem;">
  <div class="card-header">{{ data.header }}</div>
  <div class="card-body">
    <h5 class="card-title">{{ data.title }}</h5>
    <p class="card-text">{{ data.text }}</p>
  </div>
</div>
</script>
Vue.component('primary-component', {
  props: ['data'],
  template: '#primaryComponent',
});

var app = new Vue({
  el: '#app',
  data: {
    item: {
      header: '這裡是 header',
      title: '這裡是 title',
      text: 'Lorem ipsum dolor sit amet consectetur adipisicing elit. Enim perferendis illo reprehenderit ex natus earum explicabo modi voluptas cupiditate aperiam, quasi quisquam mollitia velit ut odio vitae atque incidunt minus?'
    },
    current: 'primary-component'
  }
});

External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.5.0/css/bootstrap.min.css

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/vue/2.6.11/vue.min.js