JSFiddle - React, Tailwind, and code Playground
HTML
<script src="http://alasql.org/console/alasql.min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/numeral.js/1.4.5/numeral.min.js"></script>
<div id="res"></div>JavaScript
var data = [{a:120000003.456},{a:567234.12}];
alasql.fn.numeral = numeral;
alasql('SELECT numeral(a)->format("0,0") AS [Formatted Number] \
INTO HTML("#res",{headers:true}) \
FROM ?',[data]);