JSFiddle - React, Tailwind, and code Playground

HTML

<div class="sample">
</div>
<div class="sample">
</div>

CSS

.sample {
    width:200px;
    height:200px;
    background: #aaa;
}

JavaScript

setInterval(function(){
    $(".sample").css("background", "");
    $(".sample:hover").css("background", "yellow");
}, 200);