Init: explores number-like array indexes
Init: explores array prototype method `pop`
Explores multidimensional insertions
Init: forgot how objects work. Explores basic assignment.
Init: explores associative array-like objects
Init: explores array concatenation.
Init: more exploration into dynamic array assignment.
Init: explores building a matrix.
Init: cast a float into an int.
Init: explores whether it's possible to build a var name