https://www.w3schools.com/Jsref/met_document_renamenode.asp
HTML DOM Document renameNode() Method
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
html domdocumentmethod
https://lists.w3.org/Archives/Public/public-html-bugzilla/2010Apr/0303.html
[Bug 6690] Document.renameNode() is not part of Web DOM from bugzilla@jessica.w3.org on 2010-04-19...