RESOLVED DUPLICATE of bug 241419309468
Valid and invalid characters in createElement, createElementNS, setAttribute, CreateAttribute, etc. 
https://bugs.webkit.org/show_bug.cgi?id=309468
Summary Valid and invalid characters in createElement, createElementNS, setAttribute,...
Karl Dubost
Reported 2026-03-08 19:31:00 PDT
https://wpt.fyi/dom/nodes/name-validation.html https://wpt.live/dom/nodes/name-validation.html FAIL Valid and invalid characters in createElement. FAIL Valid and invalid characters in createElementS and createDocument. FAIL Valid and invalid characters in setAttribute, toggleAttribute, and createAttribute. FAIL Valid and invalid characters in setAttributeNS and createAttributeNS. FAIL Valid and invalid characters in createDocumentType. in Safari and Firefox. ALL PASS in Chrome. SeeAlso https://bugzilla.mozilla.org/show_bug.cgi?id=2014682#c4 from https://github.com/webcompat/web-bugs/issues/205678 going to https://partner.easyeat.ai/hq/settlement/tabs?tab=settlement_history It creates a webcompat issue.
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Radar WebKit Bug Importer
Comment 1 2026-03-08 19:31:07 PDT
<rdar://problem/172048577>
Karl Dubost
Comment 2 2026-03-08 23:03:00 PDT
*** This bug has been marked as a duplicate of bug 241419 ***
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