// ==UserScript==
// @name        4chan vtuber fan mark adder
// @match       https://boards.4channel.org/*
// ==/UserScript==
function addEmoji() {
    for (e of document.querySelectorAll(".postMessage")) {
        if (e.modded != true) {
            e.modded = true;
            e.innerHTML = e.innerHTML.replace(/\bpomu\b/ig, '🧚🍂Pomu');
            e.innerHTML = e.innerHTML.replace(/\belira\b/ig, '🌤️Elira');
            e.innerHTML = e.innerHTML.replace(/\bewiwa\b/ig, '🌤️Ewiwa');
        }
    }
}

// identify an element to observe
target = document.querySelector(".thread");

// create a new instance of `MutationObserver` named `observer`,
// passing it a callback function
observer = new MutationObserver(() => {
    addEmoji();
});

observer.observe(target, {
    subtree: true,
    childList: true
});

addEmoji();