判断pc还是移动端

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";  

if (bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) {  
     return false;
}
else {  
     return true;
}  
    
}
if(browserRedirect())
{
	alert("pc");
}
else{
	alert("移动端");
}