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# Speedometer 3.0: TodoMVC: Backbone
## Description
This application uses Backbone to implement a todo application.
Backbone.js gives structure to web applications by providing 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.
## Implementation details
Backbone.js uses a MV(\*) pattern, which is loosely based on the MVC or MVP patterns.
Backbone.js:\
Model: model files\
View: html file in conjunction with underscore's templating solution\
Controller: view and router files
MVC:\
Model: maintains the data and behavior of an application\
View: displays the model in the ui\
Controller: serves as an interface between view & model components
The storage solution uses an in-memory data object (contained in the sync file).
## Built steps
A simple build script copies all necessary files to a `dist` folder.
It does not rely on compilers or transpilers and serves raw html, css and js files to the user.
```
npm run build
```
## Requirements
The only requirement is an installation of Node, to be able to install dependencies and run scripts to serve a local server.
```
* Node (min version: 18.13.0)
* NPM (min version: 8.19.3)
```
## Local preview
```
terminal:
1. npm install
2. npm run dev
browser:
```