<!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=edfe">
    <script src="https://unpkg.com/vue@3.3.4/dist/vue.global.js"></script>
    <title>v-if</title>
</head>
<body>
<div id="app">
    <img src="https://v2.cn.vuejs.org/images/logo.svg" alt="" v-show="true">
    <img src="https://v2.cn.vuejs.org/images/logo.svg" alt="" v-show="false">
    <h2 v-show="isShow">对象形式</h2>
    <h2 v-if="age<18">未成年</h2>
    <h2 v-else-if="age<35">还凑合能干</h2>
    <h2 v-else>没人要了</h2>
</div>
<script type="text/javascript">
    const App = {
        data() {
            return {
                isShow: false,
                age: 33,
            }
        }
    }
    Vue.createApp(App).mount("#app")
</script>
</body>
</html>