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<!DOCTYPE html>
<html>
<head>
  <title>Vue v-cloak Directive</title>
  <style>
    [v-cloak] {
      opacity: 0.5;
    }
    #app {
      padding: 10px;
      font-size: x-large;
      background-color: lightgreen;
    }
  </style>
</head>
<body>
<h1>Vue v-cloak Example</h1>
<p>Using the JavaScript setTimeout function to delay the Vue compilation to make the pre-compilation phase even more clear.</p>
<div id="app" v-cloak>
  {{ message }}
</div>
<script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
<script>
setTimeout(() => {
  const app = Vue.createApp({
    data() {
      return {
        message: "Hello World!"
      }
    }
  })
  app.mount('#app')
}, 1000);
</script>
</body>
</html>