Here is a list of all files with brief descriptions:

[detail level 123]

▼ levels
▼ level1
level1.js	JAVASCRIPT FOR LEVEL 1
▼ level2
level2.js	JAVASCRIPT FOR LEVEL 2
▼ level3
level3.js	JAVASCRIPT FOR LEVEL 3
▼ level4
level4.js	JAVASCRIPT FOR LEVEL 4
▼ level5
level5.js	JAVASCRIPT FOR LEVEL 5
welcome.js	JAVASCRIPT FOR Welcome Page animation