Backbone.js Sync is a function that it is called every time, it attempts to read or save a model to the server.
It persists the state of the model to the server.
Following is a list of methods that can be used to manipulate the Backbone.js Sync:
||It persists the state of the model to the server.
||If web server does not support REST or HTTP approach then turn on the Backbone.emulateHTTP.
||It is used to handle the requests encoded with application/JSON by setting the method to true.
||It is used to specify the custom AJAX function.