Javascript 判断是否为手机访问

Javascript 简单判断是否为手机访问

var ua = navigator.userAgent;  var ipad = ua.match(/(iPad).*OSs([d_]+)/),  isIphone = !ipad && ua.match(/(iPhonesOS)s([d_]+)/),  isAndroid = ua.match(/(Android)s+([d.]+)/),  isMobile = isIphone || isAndroid;  if(isMobile) {          location.href = 'http://m.domain.com';  }else{          location.href = 'http://www.domain.com';  ｝  //或者单独判断iphone或android   if(isIphone){          //code   else if(isAndroid){          //code  }else{          //code  }