v-if

v-if

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<div id="app">
<h2 v-if="isShow">
  <div>asxaass
  </div>
  <div>sada</div>

</h2>
</div>
<script src="../vue.js"></script>
<script>

  const  app=new Vue({
    el:'#app',
    data:{
      message:'asc',
      isShow:true
    },



  })
</script>
</body>
</html>

v-if-else

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<div id="app">
  <h2 v-if="isShow">
    <div>asxaass
    </div>
    <div>sada</div>

    {{message}}
  </h2>
  <h1 v-else>
    isShow为false时显示我
<!--  以前对象会被隐藏  -->
  </h1>
</div>
<script src="../vue.js"></script>
<script>

  const  app=new Vue({
    el:'#app',
    data:{
      message:'asc',
      isShow:true
    },



  })
</script>
</body>
</html>

 

posted @ 2021-04-11 11:10  好吗，好  阅读(22)  评论(0)    收藏  举报