Solution for the 'Cash Register' in class lab
Code is commented with pseudo code, explanations
of what each function does, and hints on what
types of arguments the functions take.
add head or body section and tips for the week5 homework
prepare lesson 10.
Add a reference link for more info about JS array.
add memory game starter code
adjust the time spent on eachsection.
prepare lesson 12.
Homework Review & Distribution
fix url link in homework review
Merging latest course materials