<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>按钮控制div显示和隐藏（动画）</title>
<style>
.my-transition {
margin-top: 200px;
100px;
height: 100px;
background: yellow;
transform: scale(0.5, 0.5);
opacity: 0;
/*
transition-property: width;
transition-duration: 2s;
transition-timing-function: linear;
transition-delay: 1s;
*/
transition: transform 0.5s linear, opacity 0.5s linear;
}
.my-click-transiton {
opacity: 1;
transform: scale(1, 1);
}
</style>
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.js"></script>
</head>
<body>
<input type="button" id="mybutton" value="click">
<div class="my-transition"></div>
<script>
//用js触发CSS3-transition过渡动画
$('#mybutton').click(function() {
var myTransition = $('.my-transition');
if (myTransition.hasClass('my-click-transiton')) {
myTransition.removeClass('my-click-transiton')
} else {
$('.my-transition').addClass('my-click-transiton');
}
});
</script>
</body>
</html>