trycss_anim_column-width 在线代码实例

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运行代码

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>w3cschool(w3cschool.cn)</title> 
<style> 
#myDIV {
    border: 1px solid black;
    /* Firefox */
    -moz-column-width: 300px;
    /* Chrome, Safari, Opera */
    -webkit-column-width: 300px;
    -webkit-animation: mymove 5s infinite;
    /* Standard syntax */
    column-width: 300px;
    animation: mymove 5s infinite;
}
/* Chrome, Safari, Opera */
@-webkit-keyframes mymove {
    50% {-webkit-column-width: 100px;}
}
/* Standard syntax */
@keyframes mymove {
    50% {
        -moz-column-width: 100px; /* Firefox */
        column-width: 100px;
    }
}
</style>
</head>
<body>
<p>column-width 属性支持动画效果。</p>
<p><b>注意：</b>Internet Explorer 9 及更早 IE 版本不支持 CSS 动画。</p>
 
 
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运行结果
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