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//'Food' is a model and that contains the default value for the model
var Food = Backbone.Model.extend({
defaults: {
food_name: "Butter",
food_region:"Hyderabad"
}
});
// 'FoodCollection' is a collection instance and
// 'Food' is specified by overriding the 'model' property
var FoodCollection = Backbone.Collection.extend({
model: Food
});
// "food1","food2" and "food3" are created for the model "Food"
var food1 = new Food({name: "Icecream", country:"Hyderabad"});
var food2 = new Food({name: "cake/chocos", country:"Guntur"});
var food3 = new Food({name: "drinks", country:"Guntur"});
// add() method adds the models 'food1' and 'food2'
// to the collection instance 'final'
var final = new FoodCollection();
final.add([food1,food2,food3]);
// get the count of total food using length
document.write('Actual Food Count : ' + final.length);
document.write("<
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// remove food1 and food3 model using pop
final.pop([food1,[food3]]);
document.write('Removed Food Count : ' + final.length);
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