JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://cdn.kendostatic.com/2012.2.710/js/kendo.all.min.js"></script>
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.2.710/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.2.710/styles/kendo.default.min.css">
<div id="grid"></div>

JavaScript

var gridData = [
    {
        'Name': 'Bruce Wayne',
        'GroupId': '1'
    },
    {
        'Name': 'Clark Kent',
        'GroupId': '1'
    },
    {
        'Name': 'Lois Lane',
        'GroupId': '2'
    }
];

$(document).ready(function() {
    $("#grid").kendoGrid({
        dataSource: {
            data: gridData,
            group: { field: 'GroupId' }
        },
        groupable: true,
        columns: [
            {
                field: "Name",
            },
            {
                field: "GroupId",
                title: "Group",
                values: [{ value: 1, text: 'Super Hero' }, { value: 2, text: 'Human' }]
            }
        ]
    });
});