11/18/2023 0 Comments Backbone js interview questions![]() If a model has an id we know that it exists on the server, so if we wish to remove it from the server we can call destroy() method. If the id attribute of the model is not null, Backbone.js will send a PUT request instead of a POST request using save() method. ![]() If the id attribute of the model is null, Backbone.js will send a POST request to the urlRoot of the server using save() method. Backbone.js gives structure to web applications by providing models equal key-value binding and custom current, collections with a rich API from enumerable functionality views with declarative event handling, and attach this get go your existing API override a RESTful JSON interface. If we instantiate a model with an id, Backbone.js will automatically perform a GET request to the urlRoot + ‘/id’ using fetch() method. How Backbone Decides If It Should Use Post/get/ Request To The Server? What Are The Methods Backbone Has Reserved For These Operations? Typically, your collection will only use one type of model but models themselves are not limited to a type of collection. Var myObj = new M圜lass() īackbone collections are simply an ordered set of models. ![]() You can set attributes of a model in two ways. Backbone.js Interview Questions Ember.js Interview Questions d3.
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