Function which detecting if country support/not support Credit Cart Amex payment, if support show the Amex credit card logo, if not hide.

AmexSupport.js

function isAmexNotSupported(type) {

  var selectedCountryCode = $('#selected-country').parents('.dr_inputBox').find('li.active').data('country-code');  

  var notAllowedCountries = ['AFG', 'ARG', 'BRA', 'COG', 'CIV', 'GNQ','ERI','FLK','GLP','GNB','IND','IRQ','LAO','LBY','MEX','MMR','SHN','STP','TUV' ];

  var AmexNotSupportedCountries = notAllowedCountries.concat(AmexNotSupportedCountries);

  if(AmexNotSupportedCountries) {

    if ( $.inArray(selectedCountryCode, notAllowedCountries) !== -1 ) {
      //binding your card event here    
      $('.cardLogoPart').find('.AMEX').hide();

    }else{

      $('.cardLogoPart').find('.AMEX').show();
    }    
  }