Intent to Ship: Iterator Includes

[Chromestatus]

Contact emails

niko...@chromium.org, ol...@google.com

Explainer

https://github.com/tc39/proposal-iterator-includes

Specification

https://tc39.es/proposal-iterator-includes

Summary

A TC39 proposal to allow the developer to ask whether an iterator yields a given value. Analogue to `Array.prototype.includes`.

Blink component

Blink>JavaScript>Language

Web Feature ID

tc39-iterator-includes

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=2025773)

WebKit: In development (https://bugs.webkit.org/show_bug.cgi?id=310698)

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)?

Yes

Is this feature fully tested by web-platform-tests?

Yes
Covered by Test262

Flag name on about://flags

No information provided

Finch feature name

V8Flag_js_iterator_includes

Rollout plan

Will ship enabled for all users

Requires code in //chrome?

False

Tracking bug

https://issues.chromium.org/issues/504886973

Estimated milestones

Shipping on desktop	154
Shipping on Android	154
Shipping on WebView	154

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/5205192866922496?gate=6089497379995648

This intent message was generated by Chrome Platform Status.

[Mike Taylor]

LGTM1

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[Alex Russell]

With the aside that this isn't what I hope TC39 is spending a lot of time on (where are Decorators?), LGTM2.

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[Dan Clark]

LGTM3

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