Technologies And APIs Not Supported In Microsoft Edge

Technologies and APIs not supported in Microsoft Edge (These technologies will continue to be supported in Internet Explorer on Windows 10 for users and enterprises who depend on them.): ActiveX, Browser Helper Objects (BHO), document modes, Vector Markup Language (VML), VBScript, attachEvent/removeEvent, currentStyle, conditional comments, IE8 layout quirks, DirectX filters and transitions.

For additional information, see:

A break from the past, part 2: Saying goodbye to ActiveX, VBScript, attachEvent…: