JSFiddle - React, Tailwind, and code Playground
by Ryan Brown
HTML
<p id="output" >
</p>
JavaScript
var a = [];
var s = "COP3530";
var t = "";
for (var i = 0; i < s.length; i++)
a.push(s.charAt(i));
for (var i = 0; i < s.length; i++) t += a.pop();
document.getElementById("output").innerHTML = t;