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Enumeration of the textContent property causes sites to display slowly in Internet Explorer


View products that this article applies to.

Symptoms

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.

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Resolution

Update information

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:Note 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

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More Information

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: 

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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References

See the terminology that Microsoft uses to describe software updates.
Third-party solution disclaimer
The information and the solution in this document represent the current view of Microsoft Corporation on these issues as of the date of publication. This solution is available through Microsoft or a third-party provider. We do not specifically recommend any third-party provider or third-party solution that this article might describe. There might also be other third-party providers or third-party solutions that this article does not describe. Because we must respond to changing market conditions, this information should not be interpreted as a commitment by Microsoft. We cannot guarantee or endorse the accuracy of any information or of any solution that is presented by Microsoft or by any mentioned third-party provider.

Microsoft makes no warranties and excludes all representations, warranties, and conditions whether express, implied, or statutory. These include but are not limited to representations, warranties, or conditions of title, non-infringement, satisfactory condition, merchantability, and fitness for a particular purpose, with regard to any service, solution, product, or any other materials or information. In no event will Microsoft be liable for any third-party solution that this article mentions.

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Article Info
Article ID : 2978982
Revision : 1
Created on : 1/7/2017
Published on : 8/12/2014
Exists online : False
Views : 268