css动画之columns 示例

HTML

CSS

JavaScript

HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>笔下光年</title>
</head>
<body>

<p>columns 属性是设置 column-count 和 column-width 属性的简写。</p>
<p>column-count 和 column-width 属性支持动画效果。</p>
<p><b>注意：</b> Firefox 浏览器支持该属性。</p>
<p><b>注意：</b>Internet Explorer 9 及更早 IE 版本不支持 CSS 动画。</p>

<p>逐步改变 columns 属性:<p>
<div id="myDIV">
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</div>

</body>
</html>

CSS

#myDIV {
    border: 1px solid black;
    -webkit-animation: mymove 5s infinite; /* Chrome, Safari, Opera */
    animation: mymove 5s infinite;
}

/* Chrome, Safari, Opera */
@-webkit-keyframes mymove {
    50% {-webkit-columns: 100px 5;}
}

/* Standard syntax */
@keyframes mymove {
    50% {
        -moz-columns: 100px 5; /* Firefox */
        columns: 100px 5;
    }
}

JavaScript