Bug 305352

Summary:	Add a fast path for notifyAttributeChanged() when called from parserSetAttributes()
Product:	WebKit	Reporter:	Chris Dumez <cdumez>
Component:	DOM	Assignee:	Chris Dumez <cdumez>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Chris Dumez

Reported 2026-01-12 17:22:51 PST

Add a fast path for notifyAttributeChanged() when called from parserSetAttributes(). When called from parserSetAttributes(), we know that the Element is not connected to the document and has no parent so a lot of work in notifyAttributeChanged() can be avoided.

Attachments
Add attachment proposed patch, testcase, etc.

Chris Dumez

Comment 1 2026-01-12 17:24:47 PST

Pull request: https://github.com/WebKit/WebKit/pull/56470

EWS

Comment 2 2026-01-13 03:07:58 PST

Committed 305505@main (1d8414ed7055): <https://commits.webkit.org/305505@main> Reviewed commits have been landed. Closing PR #56470 and removing active labels.

Radar WebKit Bug Importer

Comment 3 2026-01-13 03:08:14 PST

<rdar://problem/168054579>

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