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Topic: JavaScript on large PDF slow - why?
Conf: (P-PDF) Developers, Msg: 80169
From: jtoews
Date: 1/24/2003 07:23 AM

I've got a PDF Form with JavaScript under the hood. User fills in some
fields, selects a second PDF to operate on, then clicks a button. The
specified PDF opens, and the JavaScript stuff enumerates through the
pages. On each page, several fields are created and populated with
data - folio information, such as page number, issue date, etc.

This works GREAT on documents of 100 pages or less. Much over 100
pages, though, and the process gets slower and slower until it appears
to be stopped. I would guess some sort of memory leak?

Example: I tried to run this process on a 160 page document and it
took over 2 hours. Took the same document, split it into two 80 page
documents, and each was done within 15 minutes. I'm on Mac OS 9
and OS X (Jaguar), and I'm using Acrobat 5.0.5.

Is this slowdown to be expected? Is there anything I can do to work
around it?

Thanks in advance.


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