JSFiddle - React, Tailwind, and code Playground
HTML
<div>this is a div</div>
<div>this is a div</div>
<div>this is a div</div>
<div>this is a div</div>
<div>this is a div</div>
<div>this is a div</div>
<div>this is a div</div>
<div>this is a div</div>JavaScript
$("div").each(function(i) {
$(this).html($(this).html() + " " + i);
console.log(i);
});