Windows 8.1 and IE11 - Critical Error: Object doesn't support property or method 'addEventListener'

Question

Our SharePoint 2010 sites don't work very well in Windows 8.1/IE11!!
When opening list items or forms etc we get Critical Error : Object doesn't support property or method 'addEventListener'. It looks like it's possibly linked to InfoPath forms. Given that a large chunk of our users will probably be upgrading
to Windows 8.1 as we speak this is slightly worrying!
Has anyone else noticed this, or is it something to do with our deployment?  We're running SP2010 SP2 with latest CU.

Answer 1

In older versions of IE, attachEvent is
used to attach an event handler for some event on some element. But as per the update , starting with IE11, attachEvent is
deprecated and you should use addEventListener instead.
IE has included support for addEventListener from
IE9 and above only. So if you still need to support IE8, I suggest you use some cross-browser library like jQuery to bind event handlers instead of vanilla javascript.
As you're already using jQuery, you can bind events like below
$('#yourElement').on('click', function(){
// do something when you click on yourElement