问题描述:

I just added idAttribute: '_id' to some models in my BackboneJS app for use with MongoDB on the server-side. At first, this works as expected, when looking at the model in a view later, this.model.id is set to the same value as _id. However, if I use the get method on the model for id, it returns undefined. I could just switch to using this.model.id instead of this.model.get('id'), it just seemed that using the get method was a cleaner and more formal way of retrieving model data. Is this by design? Should I just stop using model.get everywhere for consistency sake? Thanks.

网友答案:

My understanding is that you still would have to use this.model.get('_id'). Telling backbone which property uniquely identifies your model doesn't change the name of the property in the attributes hash.

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