[рони]

Alexko64,

<script>
function escapeRegExp(string){
    return string.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
}

function fnSearch(arr, pattern) {
        pattern = escapeRegExp(pattern);
        pattern = new RegExp("^(" + pattern.trim().replace(/\s+/g, "|") + ")", "i");
        return arr.filter(function(el) {
                return Object.values(el).some(function(val) {
                        return pattern.test(val)
                })
        })
};

var products = [

    {name:'Samsung Galaxy s9',
    html:'<div>Samsung Galaxy S9</div>'
    },
        {name:'Galaxy S9 Samsung',
    html:'<div>Galaxy S9 Samsung</div>'
    },


    ];
    </script>

    <script>
 	var SLS = {
    products: $('#products'),
    plow:$('#plow'),
    phigh:$('#phigh'),
    isearch:$('#isearch'),
    prod:products,
    sproducts: products,
    page:1,
    limit:12,
    isort:0,
    init:function(){
        SLS.pload(SLS.page,SLS.limit);
        SLS.events();
    },
    pload:function(page,limit){
        for(var i=((page-1)*limit);i<(limit*page);i++){
            if(SLS.prod[i])
                SLS.products.append($(SLS.prod[i].html));
        }
    },
    sorta:function(type){
            var byPrice = SLS.prod.slice(0);
            byPrice.sort(function(a,b) {
                return a.price - b.price;
            });
            if(type==1)
                byPrice=byPrice.reverse();
            SLS.prod=byPrice;
            SLS.page=1;
            SLS.products.html('');
            SLS.pload(SLS.page,SLS.limit);
    },
    events:function(){
        $(window).on('scroll',function(){
            if($(this).scrollTop()+250>=($(document).height() - window.innerHeight-$('footer').height())){
                SLS.page++;
                SLS.pload(SLS.page,SLS.limit);
            }
        });
        SLS.plow.on('click',function(){
            SLS.isort=0;
            SLS.sorta(SLS.isort);
        });
        SLS.phigh.on('click',function(){
            SLS.isort=1;
            SLS.sorta(SLS.isort);
        });
        SLS.isearch.on('keyup',function(){
            var results = [];
            var toSearch = SLS.isearch.val();
            if(toSearch=='') {
                SLS.prod = products;
            }else{

                SLS.prod = fnSearch(SLS.sproducts, toSearch);

            }
            SLS.page=1;
            SLS.products.html('');
            SLS.sorta(SLS.isort);
        });
    }
};
SLS.init();
    </script>