<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Vue中css动画的原理</title>
<script src="./node_modules/vue/dist/vue.js"></script>
<style>
@keyframes bounce {
0% {
transform: scale(0);
}
50% {
transform: scale(1.5);
}
100% {
transform: scale(1);
}
}
/* .fade-enter-active和.fade-leave-active代表一直都在的那个时间点 */
.fade-enter-active {
transform-origin: left center;
/* 这里写这个因为div太宽了 */
animation: bounce 1s;
}
.fade-leave-active {
transform-origin: left center;
animation: bounce 1s reverse;
}
</style>
</head>
<body>
<div id="root">
<transition name="fade">
<div v-if="show">hello world</div>
</transition>
<button @click="click">切换</button>
</div>
<script>
var root = new Vue({
el: '#root',
data: {
show: true
},
methods: {
click: function () {
this.show = !this.show;
}
}
})
</script>
</body>
</html>
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