JS Bin // source https://jsbin.com/podicoz

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
  <script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>
<body>
  <h4>Demo 1</h4>
<div id="app">
  <vlist>
    <span slot="slot1-0" slot-scope="{index}" >Hi {{index}} !</span>
    <span slot="slot2-2" slot-scope="{index}" >some body! {{index}} !</span>
  </vlist>
</div>
  
<hr>
  <h3>Demo 2</h3>
<h4>How can i do it like follow code?</h4>
<div id="app1">
  <vlist>
    <span :slot="`slot1-${index}`" slot-scope="{index}">Hi {{index}} ! </span>
    <span :slot="`slot2-${index}`" slot-scope="{index}">嗯哼！{{index}} !</span>
  </vlist>
</div>

</body>
</html>

https://cdn.jsdelivr.net/npm/vue