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WPT

This page compares scores on the Web Platform Tests across web engines, using the latest master runs from wpt.fyi and Blitz's own test runner.

wpt / webidl / ecmascript-binding

Spec: Web IDL ↗

Runs: Chrome 155.0.8041.0 (wpt@07d3da1fa, 2026-09-04) | Firefox 157.0a1 (wpt@4fbf9ef4d, 2026-09-04) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a7825 (wpt@4fbf9ef4d, 2026-09-04) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)

Sort areas: alphabetical | by subtest count

AreaChromeFirefoxSafariLadybirdServoBlitz
Total90.2%435/48298.3%474/48296.9%467/48296.1%463/48291.3%440/4820.0%0/482
es-exceptions94.6%247/26197.7%255/26194.6%247/26199.2%259/26199.2%259/2610.0%0/261
legacy-platform-object91.3%21/23100.0%23/23100.0%23/23100.0%23/2373.9%17/230.0%0/23
TestChromeFirefoxSafariLadybirdServoBlitz
allow-resizable.html1/21/22/22/20/2NOT RUN
allow-shared.https.htmlPASSFAILFAILFAILFAILNOT RUN
attributes-accessors-unique-function-objects.htmlPASSPASSPASSPASSPASSNOT RUN
builtin-function-properties.any.html3/33/33/33/32/3NOT RUN
builtin-function-properties.any.worker.html3/33/33/33/32/3NOT RUN
class-string-interface.any.html8/88/88/88/88/8NOT RUN
class-string-interface.any.worker.html8/88/88/88/88/8NOT RUN
class-string-iterator-prototype-object.any.html5/55/55/55/55/5NOT RUN
class-string-iterator-prototype-object.any.worker.html5/55/55/55/55/5NOT RUN
class-string-named-properties-object.window.html2/22/22/22/22/2NOT RUN
constructors.html9/1515/1515/158/1515/15NOT RUN
default-iterator-object.html3/33/33/33/33/3NOT RUN
default-toJSON-cross-realm.html2/22/22/21/22/2NOT RUN
global-immutable-prototype.any.html2/22/22/22/21/2NOT RUN
global-immutable-prototype.any.serviceworker.html2/22/22/20/20/2NOT RUN
global-immutable-prototype.any.sharedworker.html2/22/22/22/21/2NOT RUN
global-immutable-prototype.any.worker.html2/22/22/22/21/2NOT RUN
global-object-implicit-this-value-cross-realm.html6/66/66/66/65/6NOT RUN
global-object-implicit-this-value.any.html9/99/99/99/96/9NOT RUN
global-object-implicit-this-value.any.serviceworker.html3/66/66/60/60/6NOT RUN
global-object-implicit-this-value.any.sharedworker.html3/66/66/66/66/6NOT RUN
global-object-implicit-this-value.any.worker.html3/66/66/66/66/6NOT RUN
has-instance.html3/33/33/33/33/3NOT RUN
interface-object-set-receiver.html2/22/22/22/22/2NOT RUN
interface-object.html4/44/44/44/44/4NOT RUN
interface-prototype-constructor-set-receiver.html2/22/22/22/22/2NOT RUN
interface-prototype-object.htmlPASSPASSPASSPASSPASSNOT RUN
invalid-this-value-cross-realm.html3/33/33/33/33/3NOT RUN
iterator-invalidation-foreach.html3/33/33/33/33/3NOT RUN
iterator-prototype-object.html4/44/44/44/44/4NOT RUN
legacy-callback-interface-object.html8/88/88/88/84/8NOT RUN
legacy-factor-function-subclass.window.htmlPASSPASSPASSPASSPASSNOT RUN
legacy-factory-function-builtin-properties.window.htmlPASSPASSPASSPASSFAILNOT RUN
no-regexp-special-casing.any.html4/44/44/44/44/4NOT RUN
no-regexp-special-casing.any.worker.html4/44/44/44/44/4NOT RUN
observable-array-no-leak-of-internals.window.htmlPASSPASSPASSPASSFAILNOT RUN
observable-array-ownkeys.window.htmlPASSPASSPASSPASSFAILNOT RUN
put-forwards.html11/1111/1111/1111/1111/11NOT RUN
replaceable-setter-throws-if-defineownproperty-fails.html0/88/88/88/88/8NOT RUN
sequence-conversion.html5/88/88/88/88/8NOT RUN
setter-argument.html17/1717/1717/1717/1710/17NOT RUN
window-named-properties-object.html9/1313/1313/1313/1313/13NOT RUN