examples/01_setting_up_vue.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Vue Basics</title>
</head>
<body>
<div id="app">
    <hello-world></hello-world>
</div>

<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.6.8/vue.js"></script>
<script>

    // register a Component gobaly
  Vue.component('hello-world', {
    data() {
      return {
        name: 'World!'
      }
    },
    template: '<h1>Hello {{ name }}</h1>'
  });

  new Vue({
    el: '#app',
  })
</script>
</body>
</html>