判断是否微信 IPhone 打开

/*** 判断是否微信* @returns {boolean}*/function isWeiXin(){    var ua =window.navigator.userAgent.toLowerCase();    var s = ua.match(/MicroMessenger\/([\d.]+)?/i);    if(s == null){        return false;    }else{        return true;    }}/*** 判断是不是IPhone* @returns {boolean}*/function isIPhone(){    var ua =window.navigator.userAgent.toLowerCase();    var s = ua.match(/IPhone/i);    if(s == null){        return false;    }else{        return true;    }}