JavaScript-only file upload on web page

Question

Am I correct in understanding that it's impossible for the UI (i.e. through JavaScript alone) to know the progress of an upload as it's being POSTed, without using Flash or HTML5's XMLHttpRequest Level 2 specification?

I'll leave it open to somebody who can provide information and details with their Answer. :) — jrn.ak
– jrn.ak, Commented Apr 7, 2011 at 18:13

YummyBánhMì · Accepted Answer · 2011-04-07 19:20:29Z

3

Yes, you are correct. For information about using HTML5 to monitor progress, see:

For information about using Flash, see:

SWFUploader @ http://swfupload.org/project (popular solution)
jQuery "Uploadify" plugin using SWFUploader: http://www.uploadify.com
Other options: http://www.google.com/#sclient=psy&hl=en&q=flash+file+uploader&aq=f&aqi=g4g-m1&aql=&oq=&pbx=1&bav=on.2,or.r_gc.r_pw.&fp=ae3fa2fab1e0dd34

edited Apr 7, 2011 at 19:20

answered Apr 7, 2011 at 18:48

YummyBánhMì

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Thomas Broyer · Accepted Answer · 2011-04-09 13:42:45Z

1

There are alternatives, but they're obviously not as precise: poll the server (in a parallel request) for upload progress. JsUpload does this, for instance: http://code.google.com/p/gwtupload/#How_does_it_work.

Oh, and of course, there's also Gears, Silverlight and BrowserPlus, as alternatives to Flash. See http://www.plupload.com

answered Apr 9, 2011 at 13:42

Thomas Broyer

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