Is there an alternative to the global object?

Forum|Forum|9 years ago
March 27, 2017
3 replies
732 views

I've just read this very helpful article:

https://acrobatusers.com/tutorials/global-object-acrobat-javascript

... and in particular the security implications of the global object.

I've used the global object to pass variables between scripts within the same PDF document.

Is there an alternative to the global object for this purpose?

Many thanks,

David

Acrobat SDK and JavaScript

This topic has been closed for replies.

Correct answer try67

Yes, you can use a variable that is defined at the doc-level. It will be accessible to all scripts that run within that document.

Joel Geraci

Community Expert

The persistent global object and variables defined at the document level have very different use cases. Remember that when you set variables at the document level, they travel with the document. That's not true of the persistent global object. They are not true alternatives to each other.

D

David HollisAuthor

Inspiring

I was trying to work out why I went the global route ages ago.

I appreciate the comments re. different use cases.

Many thanks to all,

David

try67

Correct answer

Community Expert

Yes, you can use a variable that is defined at the doc-level. It will be accessible to all scripts that run within that document.

D

David HollisAuthor

Inspiring

I seem to recall that with earlier versions, probably 7 and earlier, document variables were not persistent. Hence the use of global variables. I've changed the JavaScripts to use document variables. Everything seems to work fine, including persistence, and there are no security issues.

Bernd Alheit

Community Expert

In a document use simple variables.

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