Vue Js Convert Array to String

<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 toString Method</h2>
        <p>Convert Array like object to string in Vue js</p>
        <button @click="addFun">click me</button>
        <P>Object Property:</P>
        <p v-for="object in demoObject">{{object}}</p>
        <p>String: {{result}}</p>
      </div>
   <script type="module">
    import { createApp } from 'vue'
      createApp({
      data()
      { 
        return{ 
        demoObject:[{
           s_no:1,
           title:'Sarkari Naurkri Exams'
          },
          {
           s_no:2,
           title:'Font Awesome Icons'
          },
          {
            s_no:3,
            title:'Schools Geek'
          },
          {
            s_no:4,
            title:'Tutorials Plane'
          }
        ],
        result:''
      } 
     }, 
     methods:{ 
         addFun(){ 
            this.result = this.demoObject.map((e) =>e.title).toString(); 
           },
          }
    }).mount('#app')
  </script>

</body>
  </head>
</html>