Backbone: Model

app.js

(function() {
	// Model
	var Task = Backbone.Model.extend({
		defaults: {
			title: 'do something!',
			completed: false
		},
		validate: function(attrs) {
			if (_.isEmpty(attrs.title)) {
				return "title must not be empty!";
			}
		},
		toggle: function() {
			this.set('completed', !this.get('completed'));
		}
	});

	var task1 = new Task({
		completed: true
	});

	task1.set('title', 'newTitle');
	var title = task1.get('title');

	console.log(title);

	console.log(task1.toJSON());
	task1.toggle();
	console.log(task1.toJSON());

	task1.set({title: ''}, {validate: true});
	console.log(task1.toJSON());
})();