https://bugzilla.mozilla.org/show_bug.cgi?id=197427
197427 - Node.replaceChild, insertBefore broken in XUL documents
broken innodexuldocuments
https://developer.mozilla.org/pt-BR/docs/Web/API/Node/replaceChild
Node.replaceChild - APIs da Web | MDN
Substitui o elemento filho especificado por outro.
nodeapisdawebmdn
https://www.php.net/manual/ja/domnode.replacechild.php
PHP: DOMNode::replaceChild - Manual
phpmanual
https://www.w3schools.com/JSREF/met_node_replacechild.asp
HTML DOM Element replaceChild Method
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