JSFiddle - React, Tailwind, and code Playground

by Andrey Gershun

HTML

<script src="http://alasql.org/console/alasql.min.js"></script>
<p>Result: <span id="res"></span></p>

JavaScript

var data = [1,2,3,4,3,2,3,4,5,3,2,1,1,1,2];

    var res = alasql('SELECT INDEX _, COUNT(*) FROM ? GROUP BY _',[data]);

document.getElementById("res").textContent = JSON.stringify(res);