"Files" property with javascript not working in Firefox, even though it's per Mozilla docs

Anonymous
timer Asked: Jun 6th, 2013
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Question Description

I'm using this javascript code, per Mozilla docs, but it's not working in Mozilla, just in Chrome and Opera.

var data = new FormData(document.getElementById("uploadform"));		
var selected_file = document.getElementById('file').files[0];	
data.append('file-0', selected_file);
firefox also causes server error on the ajax file upload:
[Wed Jun 05 21:34:53 2013] [error] [client ::1] PHP Notice:  Undefined index: file-0 in /home/jeff/public/website.com/public/upload.php on line 11, referer: http://localhost/
I have no idea why the "files" property does not seem to be working on Firefox. Here's the relevant Mozilla docs page: Using FormData Objects.


Tutor Answer

fitting k
School: Purdue University

Thank you for the opportunity to help you with your question!

In most cases, the discipline is self-governed by the entities which require the programming, and sometimes very strict environments are defined

Please let me know if you need any clarification. I'm always happy to answer your questions.

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Anonymous
Thank you! Reasonably priced given the quality not just of the tutors but the moderators too. They were helpful and accommodating given my needs.

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