获得网页内容的有效长度和宽度

来源：互联网发布：mac的igooffice好用吗编辑：程序博客网时间：2024/06/15 08:03

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>获得网页内容的有效长度和宽度</title>
</head>
<script type="text/javascript">
function get_page_size()
{
    var re = {};
    if (document.documentElement && document.documentElement.clientHeight)
    {
        //针对IE以外的浏览器
        var doc = document.documentElement;
        re.width = (doc.clientWidth>doc.scrollWidth)?doc.clientWidth-1:doc.scrollWidth;
        re.height = (doc.clientHeight>doc.scrollHeight)?doc.clientHeight:doc.scrollHeight;
  document.write(re.width+"</br>");
  document.write(re.height+"</br>");
    }
    else
    {
        //针对IE浏览器
        var doc = document.body;
        re.width = (window.innerWidth>doc.scrollWidth)?window.innerWidth:doc.scrollWidth;
        re.height = (window.innerHeight>doc.scrollHeight)?window.innerHeight:doc.scrollHeight;
  document.write(re.width+"</br>");
  document.write(re.height+"</br>");
    }
    return re;

}
</script>