Making an interactive bubble chart with D3 v4

How to make a simple interactive bubble chart with D3 version 4 D3 BUBBLE CHARTS/FORCE DIAGRAMS PLAYLIST! You can skip 2 and 3 if you don't want background images in your bubbles. 1. Making an interactive bubble chart with D3 v4 https://www.youtube.com/watch?v=lPr60pexvEM 2. Using images in D3 bubble charts, Part 1 (SVG defs/patterns) https://www.youtube.com/watch?v=yxr1IZ3MrAw 3. Using images in D3 bubble charts, Part 2 (SVG images in d3) https://www.youtube.com/watch?v=FUJjNG4zkWY 4. Interactive clustering and reorganization https://www.youtube.com/watch?v=NTS7uXOxQeM I'm working on a d3 course! To hear about updates, sign up at https://tinyletter.com/jsoma