Starting off with d3.js, I've downloaded the newest version from https://github.com/dc-js/dc.js/releases. Along with the d3.js file, there are plenty of other scripts located in the src and spec directories.
Is it necessary to move all of these files into our project directory? Or is it sufficient to just copy the d3.js file?
There seems to be a mix-up between dc.js and d3.js in your understanding.
dc.js is actually a charting library that is built on top of d3.js and crossfilter. While d3.js is a robust but more fundamental graphics library, crossfilter serves as a quick and uncomplicated client-side database.
In order to successfully operate dc.js, you will require:
The majority of users do not visit the GitHub repository; that space is predominantly for developers.
Similar to many other JavaScript libraries, most users will craft a package.json for npm. Depending on dc and then executing npm install will automatically include D3 and crossfilter (specifically, crossfilter2, which is a community variation with enhancements).
Alternatively, you could directly bring in all the aforementioned resources from CDNs into your webpage, bypassing the need for npm altogether. Detailed instructions can be found in the README.
The choice ultimately hinges on how you intend to deploy your application.
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