RESOLVED FIXED308801
Dispatch load event to detached SVG image and script elements 
https://bugs.webkit.org/show_bug.cgi?id=308801
Summary Dispatch load event to detached SVG image and script elements
Fujii Hironori
Reported 2026-02-26 22:33:25 PST
Created attachment 478509 [details] test patch 1. Apply the attached patch 2. run-webkit-httpd ./Tools/Scripts/run-webkit-httpd --gtk 3. http://127.0.0.1:8000/svg/load-error-event.html WebKit: PASS attached image square20.jpg onload PASS attached image non-existent-file onerror PASS attached script dummy.js onload PASS attached script non-existent-file onerror PASS attached use /svg/resources/symbol-defs.svg#icon-rocket onload PASS attached use non-existent-file#dummy onerror PASS detached image square20.jpg onload PASS detached image non-existent-file onerror FAIL detached script dummy.js timeout PASS detached script non-existent-file onerror FAIL detached use /svg/resources/symbol-defs.svg#icon-rocket timeout FAIL detached use non-existent-file#dummy timeout PASS successfullyParsed is true Chrome: PASS attached image square20.jpg onload PASS attached image non-existent-file onerror PASS attached script dummy.js onload PASS attached script non-existent-file onerror PASS attached use /svg/resources/symbol-defs.svg#icon-rocket onload PASS attached use non-existent-file#dummy onerror PASS detached image square20.jpg onload PASS detached image non-existent-file onerror PASS detached script dummy.js onload PASS detached script non-existent-file onerror PASS detached use /svg/resources/symbol-defs.svg#icon-rocket onload FAIL detached use non-existent-file#dummy timeout PASS successfullyParsed is true Firefox: PASS attached image square20.jpg onload PASS attached image non-existent-file onerror PASS attached script dummy.js onload PASS attached script non-existent-file onerror FAIL attached use /svg/resources/symbol-defs.svg#icon-rocket timeout FAIL attached use non-existent-file#dummy timeout PASS detached image square20.jpg onload PASS detached image non-existent-file onerror PASS detached script dummy.js onload PASS detached script non-existent-file onerror FAIL detached use /svg/resources/symbol-defs.svg#icon-rocket timeout FAIL detached use non-existent-file#dummy timeout PASS successfullyParsed is true Chrome and Firefox dispatch load event to detached SVG script element. Firefox doesn't dispatch load and error event to SVG use element. Chrome dispatches load event to detached SVG use element.
Attachments
test patch (2.67 KB, patch)
2026-02-26 22:33 PST, Fujii Hironori 		no flags
DetailsFormatted DiffDiff
test2.patch (2.84 KB, patch)
2026-03-01 17:21 PST, Fujii Hironori 		no flags
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Fujii Hironori
Comment 1 2026-03-01 17:21:23 PST
Created attachment 478534 [details] test2.patch The previous test.patch has a problem. I fixed the problem, and tested again. WebKit doesn't dispatch load event to detached SVG image element. WebKit PASS attached image square20.jpg onload PASS attached image non-existent-file onerror PASS attached script dummy.js onload PASS attached script non-existent-file onerror PASS attached use /svg/resources/symbol-defs.svg onload PASS attached use non-existent-file onerror FAIL detached image square20.jpg timeout PASS detached image non-existent-file onerror FAIL detached script dummy.js timeout PASS detached script non-existent-file onerror FAIL detached use /svg/resources/symbol-defs.svg timeout FAIL detached use non-existent-file timeout PASS successfullyParsed is true Some tests failed. Chrome PASS attached image square20.jpg onload PASS attached image non-existent-file onerror PASS attached script dummy.js onload PASS attached script non-existent-file onerror PASS attached use /svg/resources/symbol-defs.svg onload PASS attached use non-existent-file onerror PASS detached image square20.jpg onload PASS detached image non-existent-file onerror PASS detached script dummy.js onload PASS detached script non-existent-file onerror FAIL detached use /svg/resources/symbol-defs.svg timeout FAIL detached use non-existent-file timeout PASS successfullyParsed is true Some tests failed. Firefox PASS attached image square20.jpg onload PASS attached image non-existent-file onerror PASS attached script dummy.js onload PASS attached script non-existent-file onerror FAIL attached use /svg/resources/symbol-defs.svg timeout FAIL attached use non-existent-file timeout PASS detached image square20.jpg onload PASS detached image non-existent-file onerror PASS detached script dummy.js onload PASS detached script non-existent-file onerror FAIL detached use /svg/resources/symbol-defs.svg timeout FAIL detached use non-existent-file timeout PASS successfullyParsed is true Some tests failed.
Fujii Hironori
Comment 2 2026-03-01 19:29:07 PST
PR https://github.com/WebKit/WebKit/pull/59687
EWS
Comment 3 2026-03-03 01:26:43 PST
Committed 308532@main (38271b8fa0c2): <https://commits.webkit.org/308532@main> Reviewed commits have been landed. Closing PR #59687 and removing active labels.
Radar WebKit Bug Importer
Comment 4 2026-03-03 01:27:11 PST
<rdar://problem/171603722>
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