Manually refreshing an iFrame causes its document mode to change - by NumbStill

Status : 

  By Design<br /><br />
		The product team believes this item works according to its intended design.<br /><br />
		A more detailed explanation for the resolution of this particular item may have been provided in the comments section.

ID 620502 Comments
Status Closed Workarounds
Type Bug Repros 3
Opened 11/9/2010 11:47:00 PM
Access Restriction Public
Primary Feedback Item 599022


The subject says everything. Look at the reproduction steps.

Something that will make it noticeable (put that as the iFrame code) -
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">
<html><head><meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7"/></head><body><input type="checkbox" style="height: 20px; width: 12px;"/></body></html>
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Posted by Microsoft on 12/22/2010 at 6:14 PM
Thank you for your feedback. This turns out to be the same issue as Connect Feedback 599022. Please follow the progress of this bug there. Thank you.

Best regards,

The Internet Explorer Team
Posted by agb5 on 11/10/2010 at 12:32 AM
Shockingly, this is working-as-designed; for iframes the rule is:

If top is IE9, then everything under it is forced to IE9. If top is [other] then frames may be anything except IE9.