So what happens if you make another FooModel instance, foo2, and modify the hash on foo2? What do you now see in the instance hash on foo?

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> On Feb 16, 2014, at 2:23 PM, Travis Webb <notifications@github.com> wrote:
> 
> In lib/backbone-x/source/model.js:
> 
> >  
> > -    autoFetchId: false,
> > +    _idx: { },
> @shackbarth @jrogelstad I think it's imperative that we all have the same understanding of how prototypal inheritance works in Javascript and Backbone. Please review http://jsfiddle.net/kj2Yw/ and let me know if you have questions.
> 
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