JSFiddle - React, Tailwind, and code Playground

HTML

<div id="a">hasdashd kjsa sdkjsahd kjahdkjsahd kjahdkjahd kja hdkja hdkjahdskjahdkja</div>
<div id="b">hasdashd kjsa sdkjsahd kjahdkjsahd kjahdkjahd kja hdkja hdkjahdskjahdkja</div>
<div id="c">hasdashd kjsa sdkjsahd kjahdkjsahd kjahdkjahd kja hdkja hdkjahdskjahdkja</div>
<div id="message"></div>

CSS

#a {font-family: Arial;}
#b {font-family: Tahoma;}
#c {font-family: Georgia;}

JavaScript

$('*').hover(function() {
    hoverElem = this
    var font = hoverElem.css("font-family");
    $("#message").append(font);
});