How to check d3.js version?

@dana 

To check the version of d3.js that you are using in your project, you can open the developer tools in your browser and type the following command in the console:

1

d3.version

This will display the current version of d3.js that is being used in your project. Alternatively, you can also check the version number in the package.json file if you are using npm to manage your dependencies.