Skip to content
Advertisement

Unable to access JSON property with “-” dash [duplicate]

I am unable to retrieve a value from a json object when the string has a dash character:

JavaScript

If I try to reference the parsed jsonObj.profile-id it returns ReferenceError: "id" is not defined but jsonObj.user_id will return 6789

I don’t have a way to modify the values being returned by the external api call and trying to parse the returned string in order to remove dashes will ruin urls, etc., that are passed as well. Help?

Advertisement

Answer

jsonObj.profile-id is a subtraction expression (i.e. jsonObj.profile - id).

To access a key that contains characters that cannot appear in an identifier, use brackets:

JavaScript
User contributions licensed under: CC BY-SA
6 People found this is helpful
Advertisement