[Webkit-unassigned] [Bug 229410] New: Optimize inert attribute

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=229410

            Bug ID: 229410
           Summary: Optimize inert attribute
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ntim at apple.com
            Blocks: 165279

isInert does a tree traversal for the inert attribute.

One possible optimization is to add a flag on Document saying whether a node with an inert attribute has ever been used and only do the traversal in the case.

One thing to be careful of is nodes potentially moving documents.


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=165279
[Bug 165279] Implement inert attribute (affects keyboard, events, and accessibility)
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