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源代码：
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<html><head> <style> div { width: 100px; height: 100px; background: black; position: relative; -webkit-animation: mymove 3s; /* Chrome, Safari, Opera */ -webkit-animation-iteration-count: 2; /* Chrome, Safari, Opera */ -webkit-animation-fill-mode: both; /* Chrome, Safari, Opera */ animation: mymove 3s; animation-iteration-count: 2; animation-fill-mode: forwards; } @-webkit-keyframes mymove { from {top: 0px;} to {top: 200px;} } @keyframes mymove { from {top: 0px;} to {top: 200px;} } </style> </head> <body> <div></div> </body> </html>
运行结果
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