It maps state to a set of reasonably efficient DOM updates that you generally don't have to manage or think about.
Go play around with Angular 1, or BackboneJS, or try building a working SPA with jQuery, and you'll get a sense of the breakthrough that react represented in 2013.
Go play around with Angular 1, or BackboneJS, or try building a working SPA with jQuery, and you'll get a sense of the breakthrough that react represented in 2013.