User:Maddy from Celeste/disinfobox.js Source: en.wikipedia.org/wiki/User:Maddy_from_Celeste/disinfobox.js

for (let ibx of document.getElementsByClassName('infobox')) {
	for (let img of ibx.querySelectorAll('.infobox-image')) {
        let thumb = document.createElement('div');
        thumb.classList.add('thumb');
        thumb.classList.add('tright');
        let thumbinner = document.createElement('div');
        thumbinner.classList.add('thumbinner');
        thumb.appendChild(thumbinner);
        thumbinner.innerHTML = img.innerHTML;
        ibx.parentNode.insertBefore(thumb, ibx);
	}
	ibx.parentNode.removeChild(ibx);
}