用 Javascript 获取滚动条位置等信息

http://www.codebit.cn/javascript/get-scroll-position.html

<script type="text/javascript">
 
// 说明:用 Javascript 获取滚动条位置等信息
// 来源 :ThickBox 2.1
// 整理 :CodeBit.cn ( http://www.CodeBit.cn )
 
function getScroll()
{
    var t, l, w, h;
 
    if (document.documentElement && document.documentElement.scrollTop) {
        t = document.documentElement.scrollTop;
        l = document.documentElement.scrollLeft;
        w = document.documentElement.scrollWidth;
        h = document.documentElement.scrollHeight;
    } else if (document.body) {
        t = document.body.scrollTop;
        l = document.body.scrollLeft;
        w = document.body.scrollWidth;
        h = document.body.scrollHeight;
    }
    return { t: t, l: l, w: w, h: h };
}
 
</script>

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转载自panyongzheng.iteye.com/blog/1156914