创建

安装

<script src="https://cdn.jsdelivr.net/npm/vue"></script>

创建实例

var vm = new Vue({
  el: '#app',
  data: {
    msg: 'This is a Vue Instance'
  }
})

完整

<!DOCTYPE html>
<html lang="zh">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Vue</title>
  <script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>
<body>
  <div id="app">
    <p>{{msg}}</p>
  </div>
  
  <script type="text/javascript">
    var vm = new Vue({
      el: '#app',
      data: {
        msg: 'This is a Vue Instance'
      }
    })
  </script>
</body>
</html>
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