JSFiddle - React, Tailwind, and code Playground
HTML
<div loop="1"><div>
JavaScript
console.log($('div').attr('loop'));
a = $('div').attr('loop', 1);
console.log(a[0]);
<div loop="1"><div>
console.log($('div').attr('loop'));
a = $('div').attr('loop', 1);
console.log(a[0]);