[Project_owners] Debugging errors dynamically

[joe ertaba]

I want to use *eval *to run JavaScript commands dynamically

It works fine but I cant figure out *error line number* with it.

it seems that it is possible to improve error handling using @
mozilla.org/js/jsd/debugger-service;1

Can any body help how to use this to execute js dynamically also handling
errors, an example would be appreciated [?]
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