JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/ui-lightness/jquery-ui.css">
<h3>
    <span>
        <b>Hello</b>
    </span>
</h3>
<div>
    <div>
        <img />
    </div>
    <span id="me"></span>
</div>

JavaScript

var link = $("#me").closest(":has(h3 span b)").find('span b');
console.log(link.text()); //"Hello"