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<html>
<head>

<script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js"></script>
    <script src="https://unpkg.com/vue@next"></script>

</head>

<body>

</body>
<script>
    Vue.createApp({
    
             render() {
   
  return 'Hello world!'
}
  
        
    })
 
</script>