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ModalPopup - The 'Unable to set property 'actControlType' of undefined or null reference' error occurs in IE10 #17
and then an "Unable to set property 'actControlType' of undefined or null reference' at line 180:
this._backgroundElement.dataset.actControlType = "modalPopupBackground";
It works fine in IE Edge, Chrome and Firefox.
added a commit
Mar 15, 2016
referenced this issue
Apr 4, 2016
I'm seeing this as closed, but I do not see the resolution. I attempted to use the html5-dataset.js workaround for IE11 and ATC16.1, but it doesn't work. I'm still getting the, "Unable to set property 'actControlType' of undefined or null reference", error.
One thing to note; it works in IE11 (even without the html5-dataset.js) if I launch it from Visual Studio on my local machine. It fails when I deploy to the web server.
We use the "Closing issues via commit messages" practice. The "Closed" state means that a fix has been merged into the master branch and will be available in the next release of Toolkit. Before that, it's possible to clone or download the Git repository and compile a custom build from source code.