var clicked = false;

$(document).on('click', '#msisdn-input' , function(e){
  e.preventDefault();
  if(clicked===false){
    window.scrollTo(0,1);
    clicked = true;
  }
  setTimeout(function(){
    $('#scroll').css('float','left');
    scrollSize =  $('.submit-button').offset().top + $('.submit-button').outerHeight()+5;
    console.log(scrollSize);
    screenSize =  $(window).height();
    result = (scrollSize-screenSize);
    if(result>0){
      $('html, body').animate({scrollTop:result},'200');
    }
  },700); 
});

Used to automatically scroll up the page so that it is focused on user entry (mobile devices)

Automatic Scroll Up

mobile

jQuery