Navigator device fetch

// Check if it's a mobile device by using navigator (userAgent) new web api >> not sooo new
var isMobile = {
  Android: function() {return navigator.userAgent.match(/Android/i);},
  iOS: function() {return navigator.userAgent.match(/iPhone|iPad|iPod/i);},
  Windows: function() {return navigator.userAgent.match(/IEMobile/i);},
  any: function() {return (isMobile.Android() || isMobile.iOS() || isMobile.Windows());}
};
// So now you can check anywhere to know if it's android or iOS phone

if(isMobile.iOS()){
  document.write('Wow you have an apple product')
}
if(ismobile.Android()){
  document.write('Just another android phone :(')
}
if(isMobile.Windows()){
  document.write('Get a Mac')
}
if(isMobile.any()){
  document.write('Okay')
}