JSFiddle - React, Tailwind, and code Playground

HTML

<div id='test'></div>
<script>
var a = $('#test');
a.data('a','b');
console.log(jQuery.hasData(a[0]));
jQuery.data(a[0], 'a', 'c');
console.log(a.data('a'));
console.log(jQuery.data(a[0], 'a'));
</script>