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Originally released in 2010, Backbone.js quickly gained popularity among developers due to its simplicity and flexibility. It is often used in conjunction with other front-end libraries, such as jQuery and Underscore.js.
Key Features of Backbone.js
Models: Represent data in a structured way, allowing for easy access and manipulation. Models contain attributes that define the associated data and provide validation methods.
Collections: Groups of related models with methods for filtering, sorting, adding, and removing models. Collections trigger events when models are added or removed.
Views: Responsible for rendering the user interface. Views represent HTML elements and update the UI when data changes. They can also listen for events and respond to user interactions.
Routers: Define application routes and handle them accordingly. Useful for building single-page applications where the URL changes based on user interactions.
Advantages of Backbone.js
Flexibility: Developers can choose to use only parts of the framework or combine it with other libraries.
Small footprint: Ideal for building lightweight applications.
Backbone.js has been adopted by major companies like Airbnb, Hulu, and SoundCloud. It is also widely used in mobile application development using frameworks like Cordova and PhoneGap.