[Seaside] Get the result of JS function

[Johan Brichau]

I think you will need to supply a bit more code or information.

Where is wqTest coming from?

> On 22 Sep 2015, at 19:47, Thomas Heniart <heniart.thomas at gmail.com> wrote:
> 
> Error is in wqTest (:1:104), so I don't think that error is in my JS file which only contains
> function test() {
>   return true;
> }
> 
> Really strange...
> 
> 
> 2015-09-22 19:35 GMT+02:00 Johan Brichau <johan at inceptive.be <mailto:johan at inceptive.be>>:
> In what file is the syntax error?
> 
> This is probably a syntax error in your javascript.
> 
>> On 22 Sep 2015, at 19:21, Thomas Heniart <heniart.thomas at gmail.com <mailto:heniart.thomas at gmail.com>> 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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> 
> 
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