Vue js Array Keys Function

​x
 
<html>
  <head>
    <script type="importmap">
      {
        "imports": {
          "vue": "https://unpkg.com/vue@3/dist/vue.esm-browser.js"
        }
      }
    </script>
   
    <body>
      <div id="app">
        <h2>Vue js Array key function</h2>
       <button @click="myFunction">Get Array Index</button>
      <p></p>
        <p v-for="r in result">Index: {{r}}</p>
     </div>
      <script type="module">
      import { createApp } from 'vue'
      createApp({
      data()
      { 
        return{ 
         Array:['Australia','England','America','India','China','Russia'],
         result : ''
        } 
     }, 
     methods:{ 
         myFunction(){ 
            this.result = this.Array.keys(); 
           },
          }
        }).mount('#app')
  </script>
​
    </body>
  </head>
</html>