JSFiddle - React, Tailwind, and code Playground
HTML
<div>One</div>
<div>One</div>
<div>One</div>
<div>One</div>
CSS
.hovered {
color: red;
}
JavaScript
$('div').hover(function () { // on a hover on a div
$('div').attr('class', 'event'); // remove the class; keep the first one
$(this).attr('class', 'hovered event'); // update the class for the current
})