JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <ul id="ingred"></ul>
    <a href="#" class="add-contact">+ Добавить ингредиент</a>
    <div id="sumAll"></div>
</div>

CSS

.container { margin-top: 10px; width: 340px; }
ul { margin:0; padding:0; }
#ingred > li { position:relative; list-style: none; }
#ingred > li > span {
    display:none;
    cursor:pointer;
    position:absolute;
    right: 5px;
    top: 0px;
    color: red;
}
#ingred > li:hover > span { display: inline-block; }
input { width:50px; }

JavaScript

var sakhar = [
    ['Карамель', 3.11, 0, 0.001, 0.777],
    ['Шоколад темный', 5.64, 0.054, 0.353, 0.526]
];
var orekhi = [
    ['Арахис', 5.82, 0.263, 0.452, 0.097],
    ['Грецкий орех', 6.75, 0.138, 0.613, 0.102],
    ['Миндаль', 6.78, 0.186, 0.577, 0.136],
    ['Семя подсолнечника', 6.09, 0.207, 0.529, 0.05],
    ['Фундук', 7.37, 0.161, 0.669, 0.099]
];

var cats = [
    [sakhar, 'Карамель, шоколад'],
    [orekhi, 'Орехи']
];

var sumId = [];
var sum = [];
var sumx = [];
var total = [0,0,0,0,0];

$("#ingred").on("click", "span", function () {
    //var anchor = $(this).siblings('a');
    //$(anchor.attr('href')).remove();
    //id = ;
    $(this).parent("li").remove();
    $("#ingred li").children('a').first().click();
    //sumId.splice(id,1);
    //console.log('sumId del'+sumId);
});

$('body').on('keyup', 'input', function () {
    for ( var c in total ){
        total.splice(c,1, 0);
    }
    sum.shift();
    for ( var x in sumId ){
        var i = 0;
        for ( var v in total ){
            console.log('total:'+total+' sum:'+sum);
            total[v]+=sum[v];
            total[v] = Math.floor(total[v]*100)/100;
        }
    }
    sum.unshift();
    $('div#sumAll span').remove();
    $('div#sumAll').append('<span>Общая:<br/><strong>Масса:</strong>'+total[0]+', <strong>кКал:</strong>'+total[1]+', <strong>Белки:</strong>'+total[2]+', <strong>Жиры:</strong>'+total[3]+', <strong>Углеводы</strong>:'+total[4]+'</span>');
});

$('.add-contact').on("click", function () {
    var id = $("#ingred").children().length; //think about it ;)
    var tabId = 'item' + id;
    $('#ingred').append('<li><div id="' + tabId + '"><select data-placeholder="Продукт" class="chosen-select'+id+'"></select></div><span> x </span></li>');
    for ( var a in cats ){
        var ne = cats[a][0];
        $('<optgroup label="'+cats[a][1]+'"></optgroup>').appendTo('select');
        for ( var b in ne ){
            $('<option...