HTML5 drop event doesn't work unless dragover is handled

Question

I am listening to the drop event and doing e.preventDefault() But its trying to open the dropped file. It was working fine till yesterday. But just

Answer 1

I'm not sure if I understand your problem correctly but if you want to read dropped files you need to handle dragover event and put there at least this line of code:

evt.dataTransfer.dropEffect = 'copy';

otherwise dropEffect is null by default and you won't get any data.