Extract Model from a BackboneJS Collection/UnderscoreJS array

I've been checking the docs of Backbone and Underscore for a "proper" way to extract a model (remove the value and have it returned) fro开发者_C百科m a collection. I know I can do this through direct access via the "models" array attribute and the splice method, but is that stepping around some built-in way I'm overlooking?

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It is critical that you use the built-in "remove" method on the collection. Remove does the following:

• updates the built-in index that's used for collection.getByCid()
• updates the built-in index that's used for collection.get()
• decrements collection.length
• removes the model (or models if you pass in an array of models, ids, or cids)
• triggers the remove event on the collection

If you manipulate the models inside the collection directly, none of the things above will happen.

More info on remove: http://documentcloud.github.com/backbone/#Collection-remove

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From your comment:

I'm looking to actually remove the model at say index 5 and have that value returned.

Try this:

// given: myCollection is a Backbone collection

var item = myCollection.at(5);
myCollection.remove(item);

// ... now, do whatever else with `item`...