LGTM1
Stage 4 TC39 proposal already implemented elsewhere. Thanks for getting
it into Chromium.
/Daniel
On 2026-08-05 14:40, Chromestatus wrote:
*Contact emails*
[email protected], [email protected]
*Specification*
https://github.com/tc39/proposal-joint-iteration
*Summary*
A TC39 proposal to synchronise the advancement of multiple iterators,
often called zip.
*Blink component*
Blink>JavaScript>Language
<https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EJavaScript%3ELanguage%22>
*Web Feature ID*
tc39-joint-iteration
<https://webstatus.dev/features/tc39-joint-iteration>
*Motivation*
/No information provided/
*Initial public proposal*
/No information provided/
*TAG review*
/No information provided/
*TAG review status*
Not applicable
*Goals for experimentation*
None
*Risks*
*Interoperability and Compatibility*
/No information provided/
/Gecko/:
Shipped/Shipping (https://bugzilla.mozilla.org/show_bug.cgi?id=2003333)
/WebKit/: In development (https://bugs.webkit.org/show_bug.cgi?id=303246)
/Web developers/: No signals
/Other signals/:
*WebView application risks*
Does this intent deprecate or change behavior of existing APIs, such
that it has potentially high risk for Android WebView-based applications?
/No information provided/
*Debuggability*
/No information provided/
*Will this feature be supported on all six Blink platforms (Windows,
Mac, Linux, ChromeOS, Android, and Android WebView)?*
No
*Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?*
No
*Flag name on about://flags*
/No information provided/
*Finch feature name*
V8Flag_js_joint_iteration
*Rollout plan*
Will ship enabled for all users
*Requires code in //chrome?*
False
*Tracking bug*
https://issues.chromium.org/issues/465357675
*Estimated milestones*
Shipping on desktop 153
Shipping on Android 153
Shipping on WebView 153
*Anticipated spec changes*
Open questions about a feature may be a source of future web compat or
interop issues. Please list open issues (e.g. links to known github
issues in the project for the feature specification) whose resolution
may introduce web compat/interop risk (e.g., changing to naming or
structure of the API in a non-backward-compatible way).
/No information provided/
*Link to entry on the Chrome Platform Status*
https://chromestatus.com/feature/6249068542164992?gate=6511364124311552
This intent message was generated by Chrome Platform Status
<https://chromestatus.com>.
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