JSFiddle - React, Tailwind, and code Playground
HTML
<div id='output'></div>
JavaScript
function roundPenny(pendantCost){
var str = pendantCost;
var substr = str.split('.');
// substr[0] contains "295"
// substr[1] contains "5555"
return substr;
// Test it
pendantCost = roundPenny(295.5555);
$('#output').html(pendantCost);