JSFiddle - React, Tailwind, and code Playground
by ataylor
HTML
<h1 id="donated">$7,500.00</h1>
JavaScript
function updateDonated() {
var oldTotal = parseFloat($('#donated').text().replace(/([^\d||^\.])/g, ''));
console.log(oldTotal);
var newTotal = (oldTotal + 0.01).toFixed(2).replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1,");
$('#donated').text('$' + newTotal);
};
setInterval(updateDonated, 30000);