JSFiddle - React, Tailwind, and code Playground
HTML
<div id="pup">
</div>
<div id="kit">
</div>
<div id="animalsays">
</div>JavaScript
$("#pup").data("says", "woof");
$("#animalsays").append("pup says: " + $("#pup").data("says") + "<br>");
console.log($("#pup").data("says"));
jQuery.data($("#kit"), "says", "meow");
$("#animalsays").append("kit says: " + $("#kit").data("says"));
console.log($("#kit").data("says"));