JSFiddle - React, Tailwind, and code Playground
by kukaew
HTML
<mark class=obj><u><a>т</a><strike><b>уп</b><a>и</a></strike><a>к</a></u></mark>
<div id=w></div>
JavaScript
var obj = document.getElementsByClassName('obj')[0], arr=[];
Recurs(obj);
console.log(arr);
function Recurs(obj) {
if ( obj.nodeType === 3){
arr.push(obj);
w.innerText = w.innerText + obj.textContent; }
else for (var i = 0; i < obj.childNodes.length; i++) Recurs(obj.childNodes[i]);
}