Check your understanding of the previous 5 pages by adding to your work so far to produce the following scene.
The scene number is 16.



You may have just deleted the blue shape from your index.html but, of course, we're going to need all 7 shapes in the final game. A better plan would have been to use my Hide function. But we're going to have several other items to deal with so I propose putting them all in the class item and then use my Hide_class function also in my library.