Data Visualization with D3 4.x Cookbook - Second Edition

Manipulating the raw selection

Sometimes, having access to the D3 raw selection array might be beneficial in development whether it's for debugging purposes or for integrating with other JavaScript libraries, which require access to raw DOM elements; in this recipe, we will show you ways to do that. We will also see some, internal structure of a D3 selection object.

Getting ready

Open your local copy of the following file in your web browser:

https://github.com/NickQiZhu/d3-cookbook-v2/blob/master/src/chapter2/raw-selection.html .

How to do it...

Of course, you can achieve this using the nth-child selector or the selection iterator function each, but there are cases where these options are just too cumbersome and inconvenient. This is when you might ...