“How” to save an entire collection in Backbone.js – Backbone.sync or jQuery.ajax?

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My immediate thought is not to override the method on save method on Backbone.Collection but wrap the collection in another Backbone.Model and override the toJSON method on that. Then Backbone.js will treat the model as a single resource and you don’t have to hack the way backone thinks too much.

Note that Backbone.Collection has a toJSON method so most of your work is done for you. You just have to proxy the toJSON method of your wrapper Backbone.Model to the Backbone.collection.

var MyCollectionWrapper = Backbone.Model.extend({
url: "/bulkupload",

//something to save?
toJSON: function() {
    return this.model.toJSON(); // where model is the collection class YOU defined above
 }

});

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