backbone.js - marionette example not working -

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I have HTML, JS code on codepay:

I have started learning Marianette JS. Either way this simple example is not working

throws this error: Unkit type error: there is no undefined function

How to solve it?

Your problem is in these lines: 

  ContactManager.reqres setholder ("Contact: Institutions", function () {return API.getContactEntities;});

You must type API.getContactEntities () otherwise you are returning the function reference instead of the collection of your contacts. This causes undefined error.

See:


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