Contact [email protected], [email protected]

ExplainerNone

Specificationhttps://tc39.es/proposal-set-methods

Summary

Set methods are new methods like union and intersection that are added to
JavaScript's built-in `Set` class.


Blink componentBlink>JavaScript>Language
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EJavaScript%3ELanguage>

TAG reviewNone

TAG review statusNot applicable

Risks


Interoperability and Compatibility

No known interop or web compat risk.


*Gecko*: Positive (https://bugzilla.mozilla.org/show_bug.cgi?id=1805038)

*WebKit*: Positive (https://bugs.webkit.org/show_bug.cgi?id=254249)

*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?

None


Debuggability

It is debugged as any other static method in JavaScript.


Will this feature be supported on all six Blink platforms (Windows, Mac,
Linux, ChromeOS, Android, and Android WebView)?Yes

Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
?It will be tested as soon as test262 tests land:

https://github.com/tc39/test262/pull/3966


Flag name on chrome://flags--harmony_set_methods

Finch feature nameNone

Non-finch justificationNone

Requires code in //chrome?False

Tracking bughttps://bugs.chromium.org/p/v8/issues/detail?id=13556

Estimated milestones
Shipping on desktop 122
DevTrial on desktop 117
Shipping on Android 122
DevTrial on Android 117
Shipping on WebView 122

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).
None

Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/6280344932450304

This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.

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