isMobile = {
        Android: function() {
            return navigator.userAgent.match(/Android/i);
        },
        BlackBerry: function() {
            return navigator.userAgent.match(/BlackBerry/i);
        },
        iOS: function() {
            return navigator.userAgent.match(/iPhone|iPad|iPod/i);
        },
        Opera: function() {
            return navigator.userAgent.match(/Opera Mini/i);
        },
        Windows: function() {
            return navigator.userAgent.match(/IEMobile/i);
        },
        any: function() {
            return (isMobile.Android() || isMobile.BlackBerry() || isMobile.iOS() || isMobile.Opera() || isMobile.Windows());
        }
    };

if (isMobile.any()) {
    alert('is mobile !');
}

function is_touch_device() {
  return !!('ontouchstart' in window);
}

the order of attribute specifications in a start-tag or empty-element tag is not significant

a = [1, 1, 0, 1, 1, 1]
result = [n for n in a if a.count(n) > 1]