Deleting ExtensionData From JavaScript

WCF DataContracts include an ExtensionData property which is a bit troublesome if you are trying to send a modified object back up to the service if it has no properties in Javascript.

So I wrote a little piece of Javascript to clean it up:

It will recusively delete all ExtensionData properties from the object.  You can call as soon as you get the result from a completed AJAX request or you can call before sending an object parameter to a service.

Note that it uses constructs from prototype.

If you want to get fancy, you can also write a custom serializer.

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