Posted by Markku Laine on Nov 12, 2009; 2:49pm
URL: https://discuss.orbeon.com/Error-when-using-xforms-action-with-xforms-setValue-tp585594p620319.html

Stephanie,


> I read in the archives that, via Javascript, we could not do  
> something like "document.getElementById('myModelId')" or  
> "document.getElementById('myInstanceId')" due to hiding them for  
> security reasons.  My point is that it would be really handy to have  
> a setting to be able to update our instances/model via javascript  
> which we currently cannot do.

Have you read this proposal about XForms-JavaScript integration: http://wiki.orbeon.com/forms/projects/client-side-api-for-custom-javascript-widgets

As far as I know, it has not implemented yet but it looks really good,  
though.

If you want to modify Instance Data via JavaScript you can do that by  
binding the elements you want to modify to hidden input fields. Then  
just use JavaScript for modifying the value in that hidden input field  
and it will be updated to the Instance Data.

BR


-Markku


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