Exercise:

• Part 1
1. Create a small yellow 20x20 rect manually
2. Create a small green 20x20 rect with d3
• Part 2
1. Delete the green rect with d3 if one exists before creating a new one
2. Move the green rectangle to a random location
3. Transition the green rectangle moving
• Part 3
1. Add rectangles from "data"
2. Move the rectangles like you do with the green (p1)
3. Redo p1 but do an update (p2)
4. Transition the colors to the data's colors
5. Transition to random colors
• Part 4: You're done!
1. Check everything off using d3 on clicking button