JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://jp.igniteui.com/js/modernizr.min.js"></script>
<script src="https://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="https://code.jquery.com/ui/1.10.3/jquery-ui.min.js"></script>
<script src="https://cdn-na.infragistics.com/igniteui/latest/js/infragistics.loader.js"></script>
<script src="https://jp.igniteui.com/js-data/northwind"></script>
<script src="https://cdn-na.infragistics.com/igniteui/latest/js/i18n/infragistics-ja.js"></script>

<table id="grid"></table>

JavaScript

$(function () {
$.ig.loader({
            scriptPath: "https://cdn-na.infragistics.com/igniteui/latest/js/",
            cssPath: "https://cdn-na.infragistics.com/igniteui/latest/css/",
            resources: "igHierarchicalGrid.*",
            ready: function () {
            
                $("#grid").igHierarchicalGrid({
                    width: "100%",
                    dataSource: northwind,
                    initialDataBindDepth: -1,
                    responseDataKey: "results",
                    dataSourceType: "json",
                    autoGenerateColumns: false,
                    primaryKey: "EmployeeID",
                    columns: [
                        { key: "EmployeeID", headerText: "ID", dataType: "number", width: "15%" },
                        { key: "LastName", headerText: "名字", dataType: "string", width: "25%" },
                        { key: "FirstName", headerText: "名前", dataType: "string", width: "25%" },
                        { key: "HomePhone", headerText: "電話", dataType: "string", width: "35%" }
                    ],
                    childrenDataProperty: "Orders",
                    autoGenerateLayouts: false,
                    columnLayouts: [
                        {
                            key: "Orders",
                            autoGenerateColumns: false,
                            primaryKey: "OrderID",
                            width: "100%",
                            columns: [
                                { key: "OrderID", headerText: "ID", dataType: "number", width: "10%" },
                                { key: "CustomerID", headerText: "顧客 ID", dataType: "string", width: "10%" },
                                { key: "Freight", headerText: "発送", dataType: "string", width: "10%" },
                                { key: "ShipName", headerText: "出荷名", dataType: "string", width: "20%" },
                                { key: "ShipAddress", headerText: "配送先住所", dataType: "string",...