<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>v-if的使用</title>
</head>
<body>
    <div id="app">
        <input type="button" value="显示/隐藏" @click="notice = !notice">
        <template v-if="notice">
            <h1>通知</h1>
            <p>限时免运费</p>
            <p>店庆全场5折</p>
        </template>
    </div>

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

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