css
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
div {
width: 100px;
height: 100px;
position: relative;
animation: firstdiv 2s linear 1s infinite alternate;
}
@keyframes firstdiv {
0% {
top: 0;
left: 0;
background-color: greenyellow;
}
25% {
top: 0;
left: 100px;
background-color: green;
}
50% {
top: 100px;
left: 100px;
background-color: yellow;
}
75% {
top: 100px;
left: 0;
background-color: gold;
}
100% {
top: 0;
left: 0;
background-color: greenyellow;
}
}
</style>
</head>
<body>
<div></div>
</body>
</html>
div{
width: 200px;
height: 200px;
/* 动画的元素一定要是定位的 */
position: absolute;
background-color: green;
/* 使用一个动画 */
animation: dong 1s infinite linear;
}
/* 声明一个动画 */
@keyframes dong{
from {top: 0px;}
to{top:800px;}
Jquery
<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>
<style>
div{
width: 100px;
height: 100px;
background-color: green;
position: absolute;
left: 0;
}
</style>
</head>
<body>
<button>开始</button>
<div></div>
<script src="./jquery.js"></script>
<script>
$('button').on('click',function () {
$('div').animate({left:1000},2000)
.animate({top:300}, 2000)
.animate({left:0,top:300},2000)
.animate({left:0,top:50},2000,function () {
//触发事件
// $('button').trigger('click')
$('button').click()
})
})
</script>
</body>
</html>
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