Intent to Ship: Node.rootNode

Yuzu Saijo

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Mar 9, 2016, 1:07:35 AM3/9/16

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Contact emails

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Spec

dom.spec.whatwg.org/#dom-node-rootnode

https://github.com/w3c/webcomponents/issues/80

Summary

Node.rootNode calculates a root or shadowroot of a given node. This formalizes the way that nodes figure out its root/shadowroot. This feature used to be called Node.treeRoot but it was decided to be renamed to Node.rootNode.

Link to “Intent to Implement” blink-dev discussion

This feature is one part of ShadowDOM v1, but can be shipped individually in response to requests from web developers.

https://groups.google.com/a/chromium.org/forum/#!searchin/blink-dev/intent$20to$20implement$20shadow$20dom$20v1/blink-dev/Ez2cuT0KmQo/eUpSsU-uAgAJ

Is this feature supported on all six Blink platforms (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)?

Yes.

Interoperability and Compatibility Risk

This is a brand new feature so there is no risk of compatibility.
As for interoperability, Webkit already implemented it.

http://trac.webkit.org/changeset/195682

OWP launch tracking bug

https://bugs.chromium.org/p/chromium/issues/detail?id=531990#c41

Entry on the feature dashboard

https://www.chromestatus.com/feature/5736827696709632

Philip Jägenstedt

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Mar 9, 2016, 5:32:46 AM3/9/16

to Yuzu Saijo, blink-dev

LGTM1

The rename from treeRoot to roteNode is in progress in WebKit:

https://bugs.webkit.org/show_bug.cgi?id=155226

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