Useful resources
CDV Tools & Tricks
Collect Data using Google Form
Wrapping SVG text within a box
forEach(), filter() and map() in JS
grouping data (”nested” graphs)
D3, SVG and Data
SVG ELEMENTS Reference
SVG ATTRIBUTES Reference
Full D3 reference
D3 Selection Documentation
Check what's wrong with your JSON file here
Mapping: coordinate tool:
teczno.com/squares
Markdown Cheatsheet
D3 Shapes - good explanations
D3 Force Layouts
How to learn D3.js
React + D3.js
General JS