Notes from "Intro to D3"
Having built a few things in D3, I’m going back to the basics to learn it from the ground up. First up is Intro to D3 by Square.
I need to learn more about SVG.
Where HTML has the <div> and tags, SVG has the
tag for an arbitrary group. You’ll see a lot in D3 examples. The tag is powerful but complex, it can be used for either lines or arbitrary filled-in shapes depending on the styling.
D3 provides “helpers” for:
Data binding or “the join” is the heart of D3. Create a selection and use .data() to bind data to the selection.
- Add elements with selection.enter()
- Remove elements selection.exit()
- Transition between things with selection.transition()