js獲取網頁可見區域寬
<!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>
<title>js獲取網頁可見區域寬-</title>
</head>
<body>
網頁可見區域寬: document.body.clientWidth
<br />
<script>
document.write( document.body.clientWidth)
</script>
</body>
</html>