[Seaside] Get the result of JS function
Bob Arning
arning315 at comcast.net
Tue Sep 22 17:48:19 UTC 2015
happens to me when I write js with my Smalltalk hat on. Periods instead
of semicolons at the end of a statement.
On 9/22/15 1:21 PM, Thomas Heniart wrote:
> I get this error when I load the page:
> SyntaxError: expected expression, got '.'
> and I don't know why :/
> What could it be?
>
>
> Cheers,
> Thomas
>
> 2015-09-22 18:31 GMT+02:00 Thomas Heniart <heniart.thomas at gmail.com
> <mailto:heniart.thomas at gmail.com>>:
>
>
>
> 2015-09-22 9:13 GMT+02:00 Johan Brichau <johan at inceptive.be
> <mailto:johan at inceptive.be>>:
>
> Thomas,
>
> You can use the jQuery binding in Seaside to easily return
> javascript values in ajax callbacks.
> For example:
>
> html
> button;
> onClick: (html jQuery ajax callback: [:value |
> Transcript show: value ] value: (html javascript call: ‘test’
> withArguments: #()))
> with: ‘Call test’
>
>
> I tried this but it doesn't work, nothing appeared in the
> Transcript like if the callback isn't triggered...
> Maybe I forget something in the configuration of application
> (WAAdmin register: self asApplicationAt: 'Test')
> addLibrary: JQDevelopmentLibrary;
> addLibraby: MyLibraryWithJsFiles
>
> MyLibraryWithJsFiles contains just a js file with test() { return
> true; }
>
>
> The #callback:value: method passes the result of client-side
> expression to the server-side callback.
> Mind that (as the method comment states), this only works for
> single literal Javascript object (String, Number, Boolean). If
> you want to pass more complex result values, you can use
> #callback:json: or write your own serialization if json
> serialization is not sufficient either.
>
> Hope this answers your question,
> Johan
>
>
>
> Thanks for your help,
>
> Thomas
>
>
>
>
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