JSFiddle - React, Tailwind, and code Playground
HTML
<div id="toggle1" class="toggle"></div>
CSS
.toggle {
width: 100px;
height: 100px;
background: #ccc;
}
.highlight { background:orange; }
JavaScript
var logointerval = setInterval( function() { changeColor(); }, 1000 );
function changeColor() {
$( "#toggle1" ).toggleClass("highlight",3000,"linear");
};