英[dju?re??n] US [du?re??n]
n. ?? ??, ??(??) ??, ???, ??? [???] ?? ??, ?? ?? ???: ??
CSS ????? ?? ?? ???
animation-duration ??? ??? ??????
animation-duration ??? ?????? ??? ???? ? ??? ??? ? ?? ??? ??? ???? ? ?????. ?? ??? animation-duration: time???.
??: animation-duration ??? ?????? ??? ???? ? ??? ??? ? ?? ??? ??? ?????.
??: ??animation-duration: time
??: time? ?????? ???? ? ??? ??? ?????. ???? 0?? ????? ??? ??? ?????.?
??: Internet Explorer 9 ? ?? ??? animation-duration ??? ???? ????.
CSS ????? ?? ?? ?
<!DOCTYPE html>
<html>
<head>
<style>
div
{
width:100px;
height:100px;
background:red;
position:relative;
animation:mymove infinite;
animation-duration:2s;
/* Safari and Chrome */
-webkit-animation:mymove infinite;
-webkit-animation-duration:2s;
}
@keyframes mymove
{
from {top:0px;}
to {top:200px;}
}
@-webkit-keyframes mymove /* Safari and Chrome */
{
from {top:0px;}
to {top:200px;}
}
</style>
</head>
<body>
<p><strong>注釋：</strong>Internet Explorer 9 以及更早的版本不支持 animation-name 屬性。</p>
<div></div>
<p><b>注釋：</b>始終規(guī)定 animation-duration 屬性，否則時(shí)長(zhǎng)為 0，就不會(huì)播放動(dòng)畫了。</p>
</body>
</html>???? ?? ?
??? ????? ??? "???? ??" ??? ?????