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wpt / custom-elements / Document-createElementNS-customized-builtins.html

Spec: https://html.spec.whatwg.org/multipage/custom-elements.html ↗

Runs: Chrome 155.0.8042.0 (wpt@a1ecd0c09, 2026-09-04) | Firefox 157.0a1 (wpt@e23cee339, 2026-09-04) | Safari 251 preview (wpt@e7122b73f, 2026-09-04) | Ladybird 1.0-52f0f (wpt@0588f3896, 2026-09-04) | Servo Servo 0.6 (wpt@2c385f65e, 2026-09-04) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)

View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi

ChromeFirefoxSafariLadybirdServoBlitz
Total3/33/31/32/33/3NOT RUN
SubtestChromeFirefoxSafariLadybirdServoBlitz
builtin: document.createElementNS should create custom elements with prefixes.PASSPASSFAILPASSPASS
builtin: document.createElementNS should check namespaces.PASSPASSPASSPASSPASS
document.createElementNS()'s third argument is to be ignored when it's a stringPASSPASSFAILFAILPASS