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Invalid text input in HTML text

I had a problem when the undo function (both ctrl + z and right click> undo) of text fields and html text areas was disabled. This happens on pages created using ASP.NET and which include many Silverlight, JavaScript, jQuery, and Ajax. This occurs in approximately 90% of cases, 10% of the time is canceled. This only happens when viewing a page in IE (8 + 9), it works fine in Chrome, Opera and Firefox.

It’s not very convenient for me to post the code here, as there is so much of it, and the problem can be difficult anywhere. I wonder more if anyone has met before, or if this is a known issue. Can anyone suggest anything that could point me in the right direction?

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Do you have any JS timers on the page. Even if they do not update certain controls, they can erase the control history. I suspect this is a bug in IE.

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Source: https://habr.com/ru/post/1390775/

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