Blueimp file upload, how do you know which file the progress callback is for?
How do you know which file the progress callback is for? Even though I set sequentialUploads to true, in IE10 only (not Chrome/FireFox/Safari), when I select multiple files to upload at the same time, the data.files array in the add callback contains multiple files. With all other browsers, the add callback is called once for each file, the array is always just 1 file. So I do a for loop to handle each file in the add callback, no problem. However, now I'm updating the progress callback, and I don't see any way to know which file the progress is for. The callback gets 2 parameters, "e" and