JSFiddle - React, Tailwind, and code Playground
HTML
<script src="http://alasql.org/console/alasql.min.js"></script>
<script src="http://alasql.org/console/xlsx.core.min.js"></script>
<button onclick="window.exportData()">Export data to Excel</button>
JavaScript
var data = [{city:"Minsk",population:100000}, {city:"Riga",population:200000}];
window.exportData = function () {
alasql("SELECT * INTO XLSX('cities.xlsx',{headers:true}) FROM ? ",[data]);
}