Search collection and retrieve model backbonejs


I am trying to search a collection for a model attribute and then grab and return the entire model ?

var myModel = Backbone.Model.extend({ defaults: { a: '', b: '', c: '', d: '', e: '' } });

My collection has around 100 of myModels.

I am trying to search through the collection by a, find it and then return the entire myModel of a so I can access the other attributes ?


If I understand your question correctly, you want to use the where method on Backbone collections, here in the docs:

<a href="http://backbonejs.org/#Collection-where" rel="nofollow">http://backbonejs.org/#Collection-where</a>

So, given an instance of MyCollection called myCollection that has MyModels in it, you can say:

var foundModels = myCollection.where({a:'some value'});

and foundModels will contain an array of the models you seek

BTW, if you are doing a more complex search, use the filter method instead, passing a function as the first argument that returns true on the desired match:

var modelsWhoseAStartsWithA = myCollection.filter(function(anyModel) { var startsWithA = new RegExp(/^[aA]/); return startsWithA.test(anyModel.get('a')); });


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