Symptoms
Assume that you have a web application that handles an onkeyup event for a text input element. The element is in a webpage that runs in Internet Explorer 9 or a later document mode in Internet Explorer 11. When you remove the element and put a focus on the next text input element, the blinking caret is missing and you cannot type anything into the new text input element.
Resolution
Update information
To resolve this issue, 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 2925418. For more information about security update 2925418 , click the following article number to view the article in the Microsoft Knowledge Base:
2925418 MS14-012: Cumulative security update for Internet Explorer: March 11, 2014
Workaround
To work around this issue, you can hide the text input element first and only remove it from the DOM after the other element is focused.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
See the terminology that Microsoft uses to describe software updates.
