JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <div id="t1">Text1</div>
    <div id="t2">Text2
        <ul id="t3">
            <li id="t4">Text3</li>
        </ul>
    </div>
</div>

JavaScript

var n = new Array();
$("div div, div  li").each(function () {
   
    n[$(this).attr('id')] = $(this).text()

})
console.log(n)