动画前缀的作用

<!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=edge">
<title>Title</title>
<script src="js/vue-2.4.0.js"></script>
<style>
.v-enter,
.v-leave-to{
opacity: 0;
transform: translateX(150px);
}
.v-enter-active,
.v-leave-active{
transition: all 0.8s ease;
}

/*前缀:用来区分每个动画的执行过渡*/
.bottom-enter,
.bottom-leave-to{
opacity: 0;
transform: translateY(150px);
}
.bottom-enter-active,
.bottom-leave-active{
transition: all 0.8s ease;
}
</style>
</head>
<body>
<div id="app">
<input type="button" value="toggle" @click="flag=!flag">
<transition>
<h3 v-if="flag">这是一个h3</h3>
</transition>

<hr>

<input type="button" value="toggle" @click="flag2=!flag2">
<transition name="bottom"> <!--=========前缀:用来区分每个动画的执行过渡==========-->
<h3 v-if="flag2">这是一个h3</h3>
</transition>
</div>
<script>
const vm=new Vue({
el:'#app',
data:{
flag:false,
flag2:false
},
methods:{}
})
</script>
</body>
</html>
原文地址:https://www.cnblogs.com/lujieting/p/10447904.html