payment-confirmation on order page

$('#payment-confirmation button.btn-primary').on('click', function(e) {
      console.log('called payment-confirmation');
      if ($( ".payment-options .payment-option input:radio[data-module-name='paypalexpress']" ).is(':checked'))
      {
        console.log('selected paypalexpress option');
        e.preventDefault();
        button.click();
        return false;

      }
    });