JSFiddle - React, Tailwind, and code Playground

HTML

<br/>
<div></div>
<div></div>
<div></div>

JavaScript

$("div:first").text( $("br").attr("tabIndex") + "" );
$("div:eq(1)").text( $("br").prop("tabIndex") );
$("div:last").text( $("br")[ 0 ].tabIndex );