v-if v-show

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>显示隐藏 v-if v-show</title>
</head>
<body>
    <div id="app">
       <input type="button" value="切换" @click="toggle"/>
       <h2 v-if="flag">HEELO VUE</h2>
       <h3 v-show="flag">HEELO VUE</h3>
    </div>

</body>
    <!--1、导入vue包-->
    <script src="./js/vue.min.js"></script>
    <!--2、创建vue实例(new对象)-->
    <script type="text/javascript">
        var vm = new Vue({
           el:'#app',
           data:{
               flag:true
           },
           methods:{
              toggle(){
                  this.flag=!this.flag
              }  
           }
        })
    </script>
</html>

 

 

 

posted @ 2021-05-18 16:23  Hhhr  阅读(23)  评论(0编辑  收藏  举报