js 計算瀏覽器寬度和高度
<!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=gb2312" />
<title>請調整瀏覽器視窗</title>
</head>
<body>
<h2 align="center">請調整瀏覽器視窗大小</h2><hr />
<form action="#" method="get" name="form1" id="form1">
<!--顯示瀏覽器視窗的實際尺寸-->
瀏覽器視窗 的 實際高度: <input type="text" name="availHeight" size="4"/><br />
瀏覽器視窗 的 實際寬度: <input type="text" name="availWidth" size="4"/><br />
</form>
<script type="text/javascript">
<!--
var winWidth = 0;
var winHeight = 0;
function findDimensions() //函式：獲取尺寸
{
//獲取視窗寬度
if (window.innerWidth)
winWidth = window.innerWidth;
else if ((document.body) && (document.body.clientWidth))
winWidth = document.body.clientWidth;
//獲取視窗高度
if (window.innerHeight)
winHeight = window.innerHeight;
else if ((document.body) && (document.body.clientHeight))
winHeight = document.body.clientHeight;
//通過深入Document內部對body進行檢測，獲取視窗大小
if (document.documentElement && document.documentElement.clientHeight && document.documentElement.clientWidth)
{
winHeight = document.documentElement.clientHeight;
winWidth = document.documentElement.clientWidth;
}
//結果輸出至兩個文字框
document.form1.availHeight.value= winHeight;
document.form1.availWidth.value= winWidth;
}
findDimensions();
//呼叫函式，獲取數值
window.onresize=findDimensions;
//-->
</script>
</body>
</html>