get_youtube_or_twitter_avatar_cros.js

async function avatarUrl(url) {
    const html = await fetch('https://allow-any-origin.appspot.com/' + url).then(res => res.text());
    const doc = new DOMParser().parseFromString(html, "text/html");
    if (url.includes('youtube')) {
        return doc.querySelector('img[src$="photo.jpg"]').src;
    } else if (url.includes('twitter')) {
        return doc.querySelector('.ProfileAvatar-image').src;
    }
}