javascript 获取内联样式

weixin_30275415

于 2014-12-14 23:58:00 发布

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CC 4.0 BY-SA版权

文章标签： javascript ViewUI

原文链接：http://www.cnblogs.com/zion0707/p/4164005.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,target-densitydpi=high-dpi,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"/>
    <title>javascript 获取内联样式</title>
</head>

<style>
#box{
    width:100px;
    height:100px;
    background-image:url(1.jpg);
    background-size:140% 140%;
    background-repeat:no-repeat;
    border:20px solid rgba(0,0,0,.3);
    background-clip:border-box;
    background-position:-20px -20px;
}
</style>

<body>


    <div id="box"></div>


</body>

</html>

<script>

    //获取内联样式元素
    function getStyle( obj , attr )
    {
        if ( window.getComputedStyle ) {
            return getComputedStyle( obj , null )[attr];
        }else{
            return obj.currentStyle[attr];
        }
    }

    //获取对象
    function $(id){
        return document.getElementById(id);
    }
    var box = $('box');

    //打印样式
    alert(getStyle(box , 'background-position'));

</script>