Detect mobile devices

isMobile.js

/**
 * @function       isMobile
 * @description    a jQuery function to detect mobile devices
 * @param          userAgents [array]
 * @return         object
 */

var userAgents = ['iPad', 'iPhone', 'Android', 'IEMobile', 'BlackBerry'];

function isMobile(userAgents) {
    var userAgent,
        isMobile = {
            any: false
        };

    $.each(userAgents, function(index) {
        userAgent = userAgents[index];

        isMobile[userAgent] = navigator.userAgent.toLowercase().indexOf(userAgent.toLowercase()) > -1;

        if (isMobile[userAgent]) isMobile.any = true;
    });

    return isMobile;
}