mongodb - How do I pass a Mongod field selector to a JavaScript function -


i have basic question can't seem find answer to, hope can out!

i trying create javascript function return specific result mongodb collection. function has 2 arguments, 1 selector within collection , other 1 field needs retrieved.

returnorganisation = function (id, property){     return published.findone({_id:id}).property }

the id parameter work

 return published.findone({_id:id}).name;

but when trying add property parameter following error:

update failed: mongoerror: '$set' empty. must specify field so: {$mod: {: ...}}

so question is: how pass property return (for instance, .name of object in collection) function?

i'm sure should not hard do, can't seem work. in advance.

use bracket notation syntax access property this:

returnorganisation = function (id, property_name){     var result = published.findone({_id:id});     return result[property_name]; }

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