JSFiddle - React, Tailwind, and code Playground

HTML

<div data-id="1"></div>

JavaScript

var $d = $('div');

console.log($d.data('id'));

$d.data('id', 2);

console.log($d.data('id'));
console.log($d.attr('data-id'));
console.log($d.get(0).dataset.id);