js获取本机ip地址详解编程语言

    /**  
     * 获取本地IP地址  
     */   
    function getLocalIPAddress()   
    {   
        var obj = null;   
        var rslt = "127.0.0.1";   
        try   
        {   
            obj = new ActiveXObject("rcbdyctl.Setting");   
            if (!isNull(obj.GetIPAddress))   
            {   
                rslt = obj.GetIPAddress;               
            }   
            obj = null;   
        }   
        catch(e)   
        {   
            //异常发生   
        }   
           
        return rslt;   
    }