使用animation-timing-function來設定動畫的速度曲線。您可以嘗試執行以下程式碼來設定ease和ease-in動畫效果：
<!DOCTYPE html>
<html>
<head>
<style>
div {
width: 150px;
height: 200px;
position: relative;
background-color: yellow;
animation-name: myanim;
animation-duration: 2s;
animation-direction: alternate-reverse;
animation-iteration-count: 3;
}
@keyframes myanim {
from {left: 100px;}
to {left: 200px;}
}
#demo1 {animation-timing-function: ease;}
#demo2 {animation-timing-function: ease-in;}
</style>
</head>
<body>
<div id = "demo1">ease effect</div>
<div id = "demo2">ease-in effect</div>
</body>
</html>以上是使用哪個 CSS 屬性來設定動畫的速度曲線？的詳細內容。更多資訊請關注PHP中文網其他相關文章！
