Check if mobile from JavaScript

ismobile.js

'use strict';

module.exports = {
  /**
   * Checks for iOs, Android, Blackberry, Opera Mini, and Windows mobile devices
   * Based on http://www.detectmobilebrowsers.com
   *
   * @return {Boolean} True if user agent is mobile
   */
  isMobile: function() {
    var userAgent = navigator.userAgent || navigator.vendor || window.opera;
    return (/iPhone|iPod|iPad|Silk|Android|BlackBerry|Opera Mini|IEMobile/).test(userAgent);
  }
};