https://bugzilla.mozilla.org/show_bug.cgi?id=968637
968637 - add the DOMTokenList relList to HTMLLinkElement, HTMLAreaElement and HTMLAnchorElement
add
https://developer.mozilla.org/en-US/docs/Web/API/HTMLAreaElement/relList
HTMLAreaElement: relList property - Web APIs | MDN
The read-only relList property of the HTMLAreaElement returns a live DOMTokenList object containing the set of link types indicating the relationship between...
web apispropertymdn
https://caniuse.com/?search=ciu/rellist
"ciu/rellist" | Can I use... Support tables for HTML5, CSS3, etc
can i usesupport tablesciu