JSFiddle - React, Tailwind, and code Playground
HTML
<script src="http://alasql.org/console/alasql.min.js"></script>
<p>Result 1: <span id="res1"></span></p>
JavaScript
var dataArray = [
{ id: "a", score: 1 },
{ id: "b", score: 2 },
{ id: "c", score: 5 },
{ id: "a", score: 3 },
{ id: "c", score: 2},
];
var res1 = alasql('SELECT id, SUM(score) AS score FROM ? GROUP BY id',[dataArray ]);
document.getElementById("res1").textContent = JSON.stringify(res1);