写了一个简单的函数：利用navigator对象的userAgent属性判断用户浏览器是PC端还是移动端；不知道有哪些缺陷，各位大神帮忙分析下，谢谢！ !DOCTYPE htmlhtml lang="en"head meta charset="UTF-8" titl
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>mobile-pc</title>
<script type="text/javascript">
function getuser(){
var scan = navigator.userAgent;
document.write(scan);
if(scan.indexOf("Mobile") > -1)
return "mobile";
else if(scan.indexOf("Andriod") > -1 || scan.indexOf("Linux") > -1)
return "andriod";
else if(scan.indexOf("iPhone") > -1 || scan.indexOf("Mac") > -1)
return "iphone";
else if(scan.indexOf("iPad") > -1)
return "ipad";
else
return "pc";
}
</script>
</head>
<body>
<script type="text/javascript">
var bres = getuser();
if(bres == "mobile" || bres == "andriod" || bres == "iphone" || bres == "ipad")
document.write("<br />"+"mobile");
//window.location = "/mobile/home.html";
else if(bres == "pc")
document.write("<br />"+"pc");
//window.location = "/pc/home.html";
</script>
</body>
</html>