Masa gelung animasi CSS3
Penjelasan terperinci tentang atribut animation-iteration-count CSS3:
Atribut ini digunakan untuk menetapkan tempoh peralihan animasi animasi.
Untuk maklumat lanjut tentang atribut animasi, sila rujuk penjelasan terperinci tentang penggunaan atribut animasi dalam CSS3.
Struktur tatabahasa:
animation-iteration-count:infinite | <number> [ , infinite | <number> ]*
Analisis parameter:
1.infinite: Menentukan bahawa animasi boleh gelung tanpa had.
2.number: Tentukan bilangan gelung animasi dengan jelas.
Nota Khas:
Jika berbilang nilai atribut disediakan, pisahkan dengan koma.
Ciri skrip yang sepadan ialah animationIterationCount.
Contoh kod:
Contoh 1:
<!DOCTYPE html>
<html>
<head>
<meta charset=" utf-8">
<meta name="author" content="//m.sbmmt.com/" />
<title>php中文网</title>
<style type="text/css">
div{
width:100px;
height:100px;
background:red;
position:relative;
animation:theanimation infinite alternate;
-webkit-animation:theanimation alternate ;
-moz-animation:theanimation alternate ;
-o-animation:theanimation alternate ;
-ms-animation:theanimation alternate ;
-webkit-animation-duration:8s;
-moz-animation-duration:8s;
-o-animation-duration:8s;
-ms-animation-duration:8s;
animation-duration:8s;
-webkit-animation-iteration-count:infinite;
-moz-animation-iteration-count:infinite;
-o-animation-iteration-count:infinite;
-ms-animation-iteration-count:infinite;
animation-iteration-count:infinite;
}
@keyframes theanimation{
0%{top:0px;left:0px;background:red;}
25%{top:0px;left:100px;background:blue;}
50%{top:100px;left:100px;background:yellow;}
75%{top:100px;left:0px;background:green;}
100%{top:0px;left:0px;background:red;}
}
@-moz-keyframes theanimation{
0% {top:0px;left:0px;background:red;}
25%{top:0px;left:100px;background:blue;}
50%{top:100px;left:100px;background:yellow;}
75%{top:100px;left:0px;background:green;}
100%{top:0px;left:0px;background:red;}
}
@-webkit-keyframes theanimation{
0%{top:0px;left:0px;background:red;}
25%{top:0px;left:100px;background:blue;}
50%{top:100px;left:100px;background:yellow;}
75%{top:100px;left:0px;background:green;}
100%{top:0px;left:0px;background:red;}
}
@-o-keyframes theanimation{
0%{top:0px;left:0px;background:red;}
25%{top:0px;left:100px;background:blue;}
50%{top:100px;left:100px;background:yellow;}
75%{top:100px;left:0px;background:green;}
100%{top:0px;left:0px;background:red;}
}
</style>
</head>
<body>
<div></div>
</body>
</html>Animasi yang ditetapkan oleh kod di atas boleh gelung tanpa had.
Contoh 2:
<!DOCTYPE html>
<html>
<head>
<meta charset=" utf-8">
<meta name="author" content="http://www.softwhy.com/" />
<title>蚂蚁部落</title>
<style type="text/css">
div{
width:100px;
height:100px;
background:red;
position:relative;
animation:firstanimation 5s alternate,secondanimation 2s alternate;
-webkit-animation:firstanimation 5s alternate,secondanimation 2s alternate;
-moz-animation:firstanimation 5s alternate,secondanimation 2s alternate;
-o-animation:firstanimation 5s alternate,secondanimation 2s alternate;
-ms-animation:firstanimation 5s alternate,secondanimation 2s alternate;
-webkit-animation-iteration-count:infinite,2;
-moz-animation-iteration-count:infinite,2;
-o-animation-iteration-count:infinite,2;
-ms-animation-iteration-count:infinite,2;
animation-iteration-count:infinite,2;
}
@keyframes firstanimation{
0% {left:0px;}
100% {left:200px;}
}
@-webkit-keyframes firstanimation{
0% {left:0px;}
100% {left:200px;}
}
@-moz-keyframes firstanimation{
0% {left:0px;}
100% {left:200px;}
}
@-o-keyframes firstanimation{
0% {left:0px;}
100% {left:200px;}
}
@-ms-keyframes firstanimation{
0% {left:0px;}
100% {left:200px;}
}
@keyframes secondanimation{
0% {top:0px;}
100% {top:200px;}
}
@-webkit-keyframes secondanimation{
0% {top:0px;}
100% {top:200px;}
}
@-moz-keyframes secondanimation{
0% {top:0px;}
100% {top:200px;}
}
@-o-keyframes secondanimation{
0% {top:0px;}
100% {top:200px;}
}
@-ms-keyframes secondanimation{
0% {top:0px;}
100% {top:200px;}
}
</style>
</head>
<body>
<div></div>
</body>
</html>Kod di atas menggunakan atribut animation-iteration-count untuk menentukan dua parameter, iaitu bilangan larian bagi dua animasi.
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