JS判断PC 手机端显示不同的内容

function goPAGE() {
if ((navigator.userAgent.match(/(phone|pad|pod|iPhone|iPod|ios|iPad|Android|Mobile|BlackBerry|IEMobile|MQQBrowser|JUC|Fennec|wOSBrowser|BrowserNG|WebOS|Symbian|Windows Phone)/i))) {
window.location.href="手机版地址";
}
}
else {
window.location.href="你的电脑版地址";    }
}
goPAGE();

//平台、设备和操作系统 
        var system = { 
            win: false, 
            mac: false, 
            xll: false, 
            ipad:false 
        }; 
        //检测平台 
        var p = navigator.platform; 
        system.win = p.indexOf("Win") == 0; 
        system.mac = p.indexOf("Mac") == 0; 
        system.x11 = (p == "X11") || (p.indexOf("Linux") == 0); 
        system.ipad = (navigator.userAgent.match(/iPad/i) != null)?true:false; 
        //跳转语句，如果是手机访问就自动跳转到wap.baidu.com页面 
        if (system.win || system.mac || system.xll||system.ipad) { 
 
        } else { 
 
            window.location.href = "手机版地址"; 
}