因为网络等因素，有时候浏览器加载页面时间会很长，一直让用户看着白屏幕也不好。
这个动画可以用css实现，也可以用js实现。
这里先举两个简单的css的例子：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>loading</title>
<style type="text/css">
.loading{
position:relative;
}
.loading span{
position: absolute;
bottom:-40px;
width: 10px;
height: 5px;
background-color: #000;
-webkit-animation:loading 1s;
-webkit-animation-iteration-count:infinite;
animation-timing-function: linear;
}
.loading span:nth-child(2){
left: 30px;
animation-delay: .2s;
}
.loading span:nth-child(3){
left: 60px;
animation-delay: .4s;
}
.loading span:nth-child(4){
left: 90px;
animation-delay: .6s;
}
.loading span:nth-child(5){
left: 120px;
animation-delay: .8s;
}
@-webkit-keyframes loading
{
0% {height: 5px;transform:translateY(0px);}
50% {height: 30px;transform:translateY(15px);}
100% {height: 5px;transform:translateY(0px);}
}
</style>
</head>
<body>
<div class="loading">
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
.loading,.loadingjs{
font-size: 50px;
}
.loading span{
position: absolute;
}
.loading span{
left:-10%;
width:100px;
animation:mymove 5s infinite;
animation-timing-function: cubic-bezier(0.38, 0.99, 0.45, 0.13);
}
.loading span:nth-child(2){
animation-delay:0.3s;
}
.loading span:nth-child(3){
animation-delay:0.6s;
}
.loading span:nth-child(4){
animation-delay:0.9s;
}
.loading span:nth-child(5){
animation-delay:1.2s;
}
@keyframes mymove{
from {left:-10%;}
to {left: 90%;}
}
</style>
</head>
<body>
<div class="loading" id="loading">
<span>.</span>
<span>.</span>
<span>.</span>
<span>.</span>
<span>.</span>
</div>
</script>
</body>
</html>
版权声明：本文为原创文章，转载请注明出处和作者，不得用于商业用途，请遵守
CC BY-NC-SA 4.0协议。
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