ajax pagination - JS part

jQuery(document).ready(function($){

    function find_page_number( element ) {
        element.find('span').remove();
        return parseInt( element.html() );
    }
    // //Trigger ajax at the end of page
    $(window).scroll(function(){
        var top = $('body.home').scrollTop();
         //console.log(top);
        var height = $(window).height();
         // console.log(height);
        var docheight = $(document).height();
        // console.log('docheight: '+ docheight);
        var screen = Number(docheight) - Number(height);
        // console.log('screen: ' + screen);
        // if( top >= height ){
        //     $('a.showmore').click();
        // }
    });
    function yHandler() {
        var wrap = document.getElementById('primary');
        var contHeight = wrap.offsetHeight;//get page content height
        //get vertical scroll position
        var yOffset = window.pageYOffset;
        var y = yOffset + window.innerHeight;
//            console.log(y);
        if( y >= contHeight ){
            $('a.showmore').click();
        }

    }
    window.onscroll = yHandler;
    var page = 1;
    var count = 10;
    $('a.showmore').on('click', function( event ){
        event.preventDefault();
        //console.log('clicked');
        page++;
        if(request){
            request.abort();
        }
        var request = $.ajax({
            url: ajaxpagination.ajaxurl,
            type: 'post',
            data: {
                action: 'ajax_pagination',
                query_vars: ajaxpagination.query_vars,
                page: page,
                postType: $(this).data('type')


            },
            beforeSend: function(){


            },
            success: function( html ) {

                $('#loader').remove();
                $('#primary-grid:last').append(  html  );
                //console.log( html);
                $('.grid').ajaxComplete(function () {
                    //console.log('done');
                    var post = $('.grid > article');
                    if(!$(post).hasClass('post-num-1')){
                        $(post).removeClass('xlarge-66 large-66');
                        $(post).addClass('all-33 small-100 tiny-100');
                    }
                    $(post).on('mouseover', function () {
                        //console.log('hover ok');
                        $(this).addClass('t5-effect');
                    });
                    $(post).on('mouseout', function () {
                        $(this).removeClass('t5-effect');
                    });


                });
                if(html == '' || null){
                    //$('a.showmore').hide();
                    $('a.showmore').remove();
                    $('.grid:last').after( '<div class="no-more-posts sr-only" style="text-align:center;">No More Posts to Show</div>' );
                    function remove_no_more_posts() {
                        $('.no-more-posts').remove();
                    }
                    setTimeout(remove_no_more_posts, 150);
                    $.ajaxStop

                }
            }
            // complete: $.ajaxStop
        })
    });

});