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01_复习-实现小球.html
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01_复习-实现小球.html
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<!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>Document</title>
<script src="./lib/vue-2.4.0.js"></script>
<style>
.ball {
width: 15px;
height: 15px;
background-color: pink;
border-radius: 50%;
}
</style>
</head>
<body>
<div id="app">
<input type="button" value="加入购物车" @click="flag=!flag">
<transition @before-enter="beforeEnter" @enter="enter" @after-enter="afterEnter">
<div class="ball" v-show="flag"></div>
</transition>
</div>
</body>
<script>
var vm = new Vue({
el: '#app',
data: {
flag: false
},
methods: {
beforeEnter(el) {
el.style.transform = 'translate(0, 0)';
},
enter(el, done) {
el.offsetWidth;
el.style.transform = 'translate(150px,450px)';
el.style.transition = 'all 1s ease'
done()
},
afterEnter() {
this.flag = !this.flag;
}
}
})
</script>
</html>