HAACHAMA

function replace(element) {
    if (element.childNodes.length != 0) {
        element.childNodes.forEach(el => replace(el));
    }
    else {
        element.textContent = element.textContent.replace(/to/g, "chama");
    }
}

setInterval(() => {
    document.querySelectorAll(".postContainer:not(.chama)").forEach(el => {
        replace(el);
        el.classList.add("chama");
    });
}, 5000);