<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>速度曲线步长</title>
<style>
@keyframes w {
0% {
width: 0;
}
100% {
width: 200px;
}
}
div {
overflow: hidden;
font-size: 40px;
width: 0;
height: 40px;
background-color: pink;
animation-name: w;
/* 5步走完 */
animation-timing-function: steps(5);
animation-duration: 4s;
/* 动画结束后的状态 forwards 填在原地*/
animation-fill-mode: forwards;
}
</style>
</head>
<body>
<div>北京欢迎您</div>
</body>
</html>
