$(document).ready(function(){

        var initialresults = 5;

        var counter = 0;

​

        while (counter < initialresults){

​

            $('.' + counter).show();        

            counter++;

​

        };

​

        $(".showMore").click(function(e){

            e.preventDefault();

            console.log('initialResults is undefined', initialresults)

            var numberShowing = $('.showResults:visible').length;

            console.log(numberShowing); //5

            var visibleResults = numberShowing + 5

            var counter = 0;

                      console.log('after setting as variable', initialresults)

            while (counter <= visibleResults){

                $('.result_' + counter).css('display', 'block');        

                counter++;

            }

        })

  });