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Created September 19, 2011 22:19
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Easy multiple-inheritance in Backbone.js
(function () {
function extendEach () {
var args =,
child = this;
_.each(args, function (proto) {
child = child.extend(proto);
return child;
Backbone.Model.extendEach =
Backbone.Collection.extendEach =
Backbone.Router.extendEach =
Backbone.View.extendEach = extendEach;
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hughes commented Feb 21, 2013

Clever little script. If I'm not mistaken, you'd use it like ClassC = Backbone.Model.extendEach(ClassA, ClassB, [properties])

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sroze commented Jun 11, 2013

Nop, use like that (see the .prototype):

var MyModel = Backbone.Model.extendEach(Another.Model.prototype, ..., [properties])

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