js如何检测浏览设备类型

js如何检测浏览设备类型

<script>
function browserRedirect() {
var sUserAgent = navigator.userAgent.toLowerCase();
var bIsIpad = sUserAgent.match(/ipad/i) == "ipad";
var bIsIphoneOs = sUserAgent.match(/iphone os/i) == "iphone os";
var bIsMidp = sUserAgent.match(/midp/i) == "midp";
var bIsUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";
var bIsUc = sUserAgent.match(/ucweb/i) == "ucweb";
var bIsAndroid = sUserAgent.match(/android/i) == "android";
var bIsCE = sUserAgent.match(/windows ce/i) == "windows ce";
var bIsWM = sUserAgent.match(/windows mobile/i) == "windows mobile";
document.writeln("您的浏览设备为：");
if (bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) {
document.writeln("phone");
} else {
document.writeln("pc");
}
}
browserRedirect();
</script >

(function(win) {
var UserAgent = navigator.userAgent.toLowerCase();
win.detectOS = {
isIpad: /ipad/.test(UserAgent),
isIphone: /iphone os/.test(UserAgent),
isMac: /mac os/.test(UserAgent),
isWindows: /windows/.test(UserAgent),
isAndroid: /android/.test(UserAgent),
isWindowsCe: /windows ce/.test(UserAgent),
isWindowsMobile: /windows mobile/.test(UserAgent),
isWin2K: /windows nt 5.0/.test(UserAgent),
isWinXP: /windows nt 5.1/.test(UserAgent),
isWinVista: /windows nt 6.0/.test(UserAgent),
isWin7: /windows nt 6.1/.test(UserAgent),
isWin8: /windows nt 6.2/.test(UserAgent),
isWin81: /windows nt 6.3/.test(UserAgent),
isWin10: /windows nt 10.0/.test(UserAgent)
};
})(window);