001.html

<!DOCTYPE html>
<html lang="en">
<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>Document</title>
    <script src="./js/vue.js"></script>
</head>
<body>
    <div id="app">
        <my-home></my-home>
        <my-home></my-home>
    </div>

    <template id="myHome">
            <div>
                    <p>{{name}}</p>
                    <p>{{age}}</p>
                </div>
    </template>

    <script>
        Vue.component('my-home',{
            template:"#myHome",
            data(){
                return {
                    name:"李四",
                    age: "18"
                }
            },
            methods:{
                
            }
        })
        
    </script>
    <script>
    new Vue({
        el:"#app",
        data:{
      
        }
    })
    </script>
</body>
</html>