<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>演示迭代对象</title>
</head>
<body>
    <div id="app">
        <span v-for="n in m">{{n}}/</span>
    </div>

    <script src="../js/vue.js"></script>

    <script>
        let vm = new Vue({
            el:'#app',
            data:{
                m:50
            }
        });
    </script>
</body>
</html>