Backbone.js was initially released on October 13, 2010, by Jeremy Ashkenas.
Backbone.js, an open-source JavaScript framework, was released by Jeremy Ashkenas in 2010. It gained popularity for providing the structure to web applications by offering models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing API over a RESTful JSON interface.