1. 1. NodeJS
2. 2. NodeJS basic
3. 1. 2.1. What is NodeJS ?
   2. 2.2. NodeJS Installation
   3. 2.3. NodeJS Installation Linux
   4. 2.4. NodeJS version
   5. 2.5. Hello World
   6. 2.6. Comments
   7. 2.7. Exercise: Hello World
   8. 2.8. Hello World with sh
   9. 2.9. Literal Values and types
   10. 2.10. Declare variables with let
   11. 2.11. Hello World in function
   12. 2.12. Parameter passing to function
   13. 2.13. for loop
   14. 2.14. Array
   15. 2.15. Command line arguments (argv)
   16. 2.16. Command line arguments - forEach (argv)
   17. 2.17. Define function with arrow notation
   18. 2.18. setTimeout - delayed execution
   19. 2.19. setInterval - scheduled execution
   20. 2.20. clearInterval
   21. 2.21. clearTimeout
   22. 2.22. Template literals (template strings) - variable interpolation
   23. 2.23. Scope of variables and constants
   24. 2.24. constant (const)
   25. 2.25. var
   26. 2.26. let
   27. 2.27. var let
   28. 2.28. let var
   29. 2.29. Create library
   30. 2.30. Function as a Library
   31. 2.31. Loading a library twice
   32. 2.32. What is in a module?
   33. 2.33. OS module
   34. 2.34. The path related tools
   35. 2.35. Path to the current file
   36. 2.36. Relative path inside a project
   37. 2.37. Exception
   38. 2.38. REPL
   39. 2.39. Debugging
   40. 2.40. Callback
   41. 2.41. Closure
4. 3. File-system related operations (fs)
5. 1. 3.1. File-system related operations (fs)
   2. 3.2. Read file
   3. 3.3. Write file
   4. 3.4. Append to file
   5. 3.5. Delete file (unlink file)
   6. 3.6. Read (and write) file by chunks
   7. 3.7. Read (and write) file by chunks using pipe
   8. 3.8. Create a directory (folder) (mkdir)
   9. 3.9. Remove a directory (folder) (rmdir)
   10. 3.10. Read directory sync (readdirSync)
   11. 3.11. Read directory async (readdir)
   12. 3.12. Read directory async error handline
   13. 3.13. Rename a file (rename)
6. 4. OOP
7. 1. 4.1. Class
8. 5. HTTP
9. 1. 5.1. HTTP Hello World
   2. 5.2. HTTP Return JSON
   3. 5.3. HTTP Server
   4. 5.4. Transfer-Encoding: chunked
   5. 5.5. Mashup
10. 6. Net
11. 1. 6.1. The net module
    2. 6.2. TCP Server
    3. 6.3. TCP Echo Server
    4. 6.4. Chat server
    5. 6.5. Remove dead sockets
    6. 6.6. Stop echoing
12. 7. npm
13. 1. 7.1. npmjs
    2. 7.2. npm init
    3. 7.3. package json
    4. 7.4. npm install PACKAGE
    5. 7.5. Development dependencies
    6. 7.6. Semanic Versioning
    7. 7.7. npm install
    8. 7.8. npx
    9. 7.9. Linter - ESLint
14. 8. Express
15. 1. 8.1. Install Express
16. 9. Testing for NodeJS projects
17. 1. 9.1. Testing - Application Under Test
    2. 9.2. Using the JavaScript library
    3. 9.3. Testing Demo with Mocha
    4. 9.4. Testing Demo with Mocha success
    5. 9.5. Testing Demo with Mocha failure
18. 10. Appendix
19. 1. 10.1. Other
    2. 10.2. Resources
    3. 10.3. request
    4. 10.4. http client
    5. 10.5. ping
    6. 10.6. Telnet server
    7. 10.7. HTTP Server