This issue occurs in Internet Explorer 11, Internet Explorer 10, and Internet Explorer 9 if the site content interacts with the textContent property of one or more DOM elements.
To resolve this problem, install the most recent cumulative security update for Internet Explorer. To do this, go to Microsoft Update.
For technical information about the most recent cumulative security update for Internet Explorer, go to the following Microsoft website:
http://www.microsoft.com/technet/security/current.aspxNote This update was first included in security update 2976627.
For more information about security update 2976627, click the following article number to view the article in the Microsoft Knowledge Base:
2976627 MS14-051: Cumulative security update for Internet Explorer: August 12, 2014
When you use the F12 Developer Tools in Internet Explorer, you can find the textContent DOM operation consumes the most exclusive time.
The textContent property is defined in the W3C DOM Level 3 Core specification. For more information about Internet Explorer support for the textContent property, see the following MSDN website:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
See the terminology that Microsoft uses to describe software updates.
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