JSFiddle - React, Tailwind, and code Playground

by pierian_design

JavaScript

var aValues = [

		//["Product", "Count", "Year"],
    ["tv", 23, 2019], //ищем индексы строк со значениями по индексам колонок
    ["tv", 12, 2017],
    ["tv", 43, 2010],
    ["dvd", 12, 2005],
    ["pc", 54, 2019],
    ["tv", 54, 2019]

]

var columnIndex = [0, 2];

var oSheets = {

		"tv 2019": [1, 6],
    "tv 2017": [2],
    "tv 2010": [3],
    "dvd 2005": [4],
		"pc 2019": [5]
}