Try catch and throw inside the method list()

[Guilherme Berghauser]

I'm trying to use try and catch inside the callback method list(return) and it does not match the exception to catch up.

try{

 Entidy.all().list(return){

    try{

   ..

   ..

   }catch(e){

      throw e;

   }

} catch(e){

   alert(e.message);

}

The exception does not call alert.

[Zef Hemel]

This is because the function inside the list (syntax is really list(function(r) { ... })) is called asynchronously at a later time when execution has long left the try-catch block. This is why try-catch is so little used in async JS development.

-- Zef

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