JSFiddle - React, Tailwind, and code Playground

HTML

<div id="one"></div>
<div id="two"></div>

CSS

#one {
    width:200px;
    height:200px;
    background-color:yellow;
}
#two {
    width:200px;
    height:200px;
    background-color:green;
}

JavaScript

setInterval(function(){
    if($("#one").is(":hover")) {
        $("#one").css("background-color","red");
    }
    else {
        $("#one").css("background-color","");}
    },0);

if($("#two").is(":hover")) {
    $("#two").css("background-color","blue");
}
else {
    $("#two").css("background-color","");
}