Backbone.js Tutorial - 12 - (Collections) Adding and Removing Elements (ok)

C:\Users\Administrator\Desktop\gulp\app.js

StudentModel = Backbone.Model.extend({
	defaults: {
		name: "unknown"
	}
});
StudientCollection = Backbone.Collection.extend({
	model: StudentModel
});
jQuery(document).ready(function($) {
	var jony = new StudentModel({name: "Lionel1",id: 1});
	var vicky = new StudentModel({name: "Lionel2",id: 2});
	var classones = new StudientCollection([jony, vicky]);
	displayCollectionContents("Two element:", classones);
});
function displayCollectionContents(string, collection) {
	console.log(string + " " + JSON.stringify(collection.toJSON()));
}

C:\Users\Administrator\Desktop\gulp\app.js

StudentModel = Backbone.Model.extend({
	defaults: {
		name: "unknown"
	}
});
StudientCollection = Backbone.Collection.extend({
	model: StudentModel
});
jQuery(document).ready(function($) {
	var jony = new StudentModel({name: "Lionel1",id: 1});
	var vicky = new StudentModel({name: "Lionel2",id: 2});
	var pank = new StudentModel({name: "Lionel3",id: 3});
	var classones = new StudientCollection([jony, vicky]);
	classones.add(pank);
	displayCollectionContents("Three element:", classones);
});
function displayCollectionContents(string, collection) {
	console.log(string + " " + JSON.stringify(collection.toJSON()));
}

C:\Users\Administrator\Desktop\gulp\app.js

StudentModel = Backbone.Model.extend({
	defaults: {
		name: "unknown"
	}
});
StudientCollection = Backbone.Collection.extend({
	model: StudentModel
});
jQuery(document).ready(function($) {
	var jony = new StudentModel({name: "Lionel1",id: 1});
	var vicky = new StudentModel({name: "Lionel2",id: 2});
	var pank = new StudentModel({name: "Lionel3",id: 3});
	var classones = new StudientCollection([jony, vicky]);
	classones.add(pank);
	classones.remove(jony);
	displayCollectionContents("Two element:", classones);
});
function displayCollectionContents(string, collection) {
	console.log(string + " " + JSON.stringify(collection.toJSON()));
}