javascript代码：
function get_page_size()
{
var re = {};
if (document.documentElement && document.documentElement.clientHeight)
{
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;
}
else
{
var doc = document.body;
re.width = (window.innerWidth>doc.scrollWidth)?window.innerWidth:doc.scrollWidth;
re.height = (window.innerHeight>doc.scrollHeight)?window.innerHeight:doc.scrollHeight;
}
return re;
}
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代码实例：
<!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>获取窗口大小</title>
<script type="text/java script">
function getPageSize()
{
var re = {};
if (document.documentElement && document.documentElement.clientHeight)
{
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;
}
else
{
var doc = document.body;
re.width = (window.innerWidth>doc.scrollWidth)?window.innerWidth:doc.scrollWidth;
re.height = (window.innerHeight>doc.scrollHeight)?window.innerHeight:doc.scrollHeight;
}
//结果输出至两个文本框
document.form1.availHeight.value= re.width;
document.form1.availWidth.value= re.height;
return re;
}
</script>
</head>
<body>
<form action="#" method="get" name="form1" id="form1">
浏览器窗口 的 实际高度:
<input type="text" name="availHeight" size="4"/>
<br />
浏览器窗口 的 实际宽度:
<input type="text" name="availWidth" size="4"/>
<br />
</form>
<script type="text/java script">
getPageSize();
window.onresize=getPageSize;
</script>
</body>
</html>
