In any nested iframe, window.parent always points to *top* iframe's parent
Reported by gleneivey | May 5th, 2010 @ 12:27 PM
In the structure "page contains iframe contains iframe....", in the second iframe (or any iframe at a lower nesting level within the range I've tested) window.document seems to have the correct content, but window.parent always points to "page" rather than pointing to the nested iframe's actual parent (the iframe immediately above it).
This can be seen in the "Iframe nesting" test within specs/scope/spec.js if you modify the path to "iframe2.html" contained in specs/fixtures/scope/iframe1.html and the loop-generated path to the iframe#.html links contained in specs/scope/spec.js so that they are absolute file system paths appropriate for your system (to allow the test to progress past the failure due to http://envjs.lighthouseapp.com/projects/21590/tickets/168).
The test errors due to this bug appear like:
[java] error loading html element [object HTMLScriptElement] TypeError: Cannot read property "innerHTML" from null
As the result of the "innerHTML" reference that occurs in specs/fixtures/scope/iframeN.html.
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a javascript browser environment
gleneivey