スマホを判別するのに便利なJSスニペット

gistfile1.js

// http://www.abeautifulsite.net/blog/2011/11/detecting-mobile-devices-with-javascript/

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

// Examples

// To check to see if the user is on any of the supported mobile devices:


if( isMobile.any() ) alert('Mobile');

//To check to see if the user is on a specific mobile device:


if( isMobile.iOS() ) alert('iOS');