We are adapting our product to Microsoft Edge. We have an HTML drag-and-drop feature that works correctly in IE, Chrome, etc.
Using Microsoft Edge from Win10 Insider
Microsoft implemented this feature in EdgeHTML 13, included in Windows 10 Build 10586 (November 2015).
Original answer:
The DragAndDropEntries
is not supported in Microsoft Edge yet. See this link for more detail
It says:
Allows dragging and dropping entire folders using HTML5 Drag and Drop. Extends the DataTransferItem with a method to get a FileEntry/DirectoryEntry. Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development."
However, feel free to request for this feature at https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer
I just tried it the demo on Microsoft Edge and it worked fine for me.