2.1.105 [HTML5:2014] Section 5.2.3 Accessing other browsing contexts

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V0252: Accessing window objects by index ignores descendant browsing contexts

The specification states:

 5.2.3 Accessing other browsing contexts
     ...
     To determine the value of an indexed property index of a Window object, the user 
     agent must return the WindowProxy object of the index'th child browsing context of 
     the Document that is nested through an element that is in the Document, sorted in the 
     tree order of the elements nesting those browsing contexts.

All document modes (All versions)

Accessing window objects by index ignores descendant browsing contexts.

V0251: The length attribute does not return the number of child browsing contexts of the active document

The specification states:

 ... Accessing other browsing contexts
     ...
     The length IDL attribute['s getter] ... must return the number of child browsing 
     contexts ...

All document modes (All versions)

The length attribute does not return the number of child browsing contexts of the active document.