JSFiddle - React, Tailwind, and code Playground
HTML
<p id="color" >This paragraph may change color </p>
<input type="button" value="Change color" onclick="change()">
JavaScript
var colors=["red","blue","green","yellow"];
var changed=0;
function change(){
document.getElementById('color').style.color=colors[changed];
changed=changed+1;
}