js判断接入设备_js能否获取电脑插入的设备

<script type="text/javascript">  
        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>  

  <script type="text/javascript">
    // borwserRedirect
    (function browserRedirect(){
      var sUserAgent = navigator.userAgent.toLowerCase();
      var bIsIpad = sUserAgent.match(/ipad/i) == 'ipad';
      var bIsIphone = 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) == 'web';
      var bIsCE = sUserAgent.match(/windows ce/i) == 'windows ce';
      var bIsWM = sUserAgent.match(/windows mobile/i) == 'windows mobile';
 
      if(bIsIpad || bIsIphone || bIsMidp || bIsUc7 || bIsUc || bIsCE || bIsWM){
        window.location.href = 'http://www.163.com/';
      }else{
        window.location.href = 'http://www.baidu.com/';
      }
    })();
  </script>