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编辑您的代码：
<!DOCTYPE html> <html> <head> <style> div { width:100px; height:100px; background:red; position:relative; animation:mymove 3s; animation-iteration-count:3; /* Safari and Chrome */ -webkit-animation:mymove 3s; -webkit-animation-iteration-count:3; } @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>注释：</strong>Internet Explorer 9 以及更早的版本不支持 animation-iteration-count 属性。</p> <div></div> </body> </html>
查看结果: