JSFiddle - React, Tailwind, and code Playground

HTML

<p style="float:left;">Money Saved: </p><b><p id="ds"  style="float:left;">$</p></b>
<div id="counter" style="float:left;"></div>
<script type="text/javascript">

var START_DATE = new Date("january 1, 2012 12:00:00"); // put in the starting date here
    
var INTERVAL = 1000; // savings per second
var INCREMENT = 0.005; // money saved per second
var START_VALUE = -50000; // configures proper savings calculation
var count = 0;

window.onload = function()
{
var msInterval = INTERVAL * 1;
var now = new Date();
count = parseInt((now - START_DATE)/msInterval) * INCREMENT + START_VALUE;
document.getElementById('counter').innerHTML = count;
setInterval("count += INCREMENT; document.getElementById('counter').innerHTML = count;", msInterval);
}

</script>

CSS

#counter {margin:0px 0px 0px 0px;}
#ds {margin:0px 0px 0px 7px;}