2050063 - setTimeout on detached iframes throws "Component not initialized" nsresult: "0xc1f30001 (NS_ERROR_NOT_INITIALIZED)"

Status: RESOLVED FIXED

(Core :: DOM: Core & HTML, defect)

Description

[Jeff Muizelaar [:jrmuizel]]

Attachment: Test case

See the attached test case.

Salesforce's Lightning Web Security uses detached iframes as a sandbox and having setTimeout throw an exception can break a variety of things.

Comment 1

[Olli Pettay [:smaug][[e-mail]]]

Do the timers actually run in other browsers? Or are they no-op?

Comment 2

[Jeff Muizelaar [:jrmuizel]]

Attachment: setTimeout.html

Here's a simpler test case showing the problem.

Comment 3

[Jeff Muizelaar [:jrmuizel]]

(In reply to Olli Pettay [:smaug][[e-mail]] from comment #1)

Do the timers actually run in other browsers? Or are they no-op?

The timers don't seem to run in other browsers.

Comment 4

[Andreas Farre [:farre]]

Attachment: Bug 2050063 - Don't throw when calling setTimeout on detached window. r=#dom-core!

Comment 5

[Pulsebot]

Pushed by [e-mail]:
https://github.com/mozilla-firefox/firefox/commit/4dd354af825c
https://hg.mozilla.org/integration/autoland/rev/9a4c69cd20e2
Don't throw when calling setTimeout on detached window. r=dom-core-reviewers,smaug

Comment 6

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Created web-platform-tests PR https://github.com/web-platform-tests/wpt/pull/60902 for changes under testing/web-platform/tests

Comment 7

[amarc]

https://hg.mozilla.org/mozilla-central/rev/9a4c69cd20e2

Comment 8

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Upstream PR merged by moz-wptsync-bot