Tue May 15
Loop / Arrays / Functions
9 – 12h Teaching
Teacher:
- Kiran Garimella
Goals
Goals
- I know how to use the if/else statement and its operators
- I know how to use the for-loop
- I know how to declare arrays as well as assigning, changing, removing and reading values in arrays
- I know what functions are and how to use them.
RECAP – 14.05.
- JavaScript functions & variables
- Data Types: primitives, strings, loose typing
- If/else statements
- Q&A
Control Flows & Arrays
Control Flows & Arrays
Included Exercises
12 – 13.30h Lunch (TBD)
13.30 – 17h Coaching
Coaches:
- Jonathan Lässker
- Lionel Taboada
Read and understand the references
Read and understand the references
What Is JavaScript and How Does It Work?
Learning by Doing
Learning by Doing
- Continue with freeCodeCamp exercises until "Counting Cards"
Exercises
Exercises
The Word Guesser
The Word Guesser
You'll create a simple word guessing game where the user gets infinite tries to guess the word (like Hangman without the hangman, or like Wheel of Fortune without the wheel and fortune).
- Create two global arrays: one to hold the letters of the word (e.g. 'F', 'O', 'X'), and one to hold the current guessed letters (e.g. it would start with '_', '_', '_' and end with 'F', 'O', 'X').
- Write a function called
guessLetter
that will:- Take one argument, the guessed letter.
- Iterate through the word letters and see if the guessed letter is in there.
- If the guessed letter matches a word letter, changed the guessed letters array to reflect that.
- When it's done iterating, it should log the current guessed letters ('F__')
- and congratulate the user if they found a new letter.
- It should also figure out if there are any more letters that need to be guessed,
- and if not, it should congratulate the user for winning the game.
- Pretend you don't know the word, and call
guessLetter
multiple times with various letters to check that your program works. - Bonus: Make it more like Wheel of Fortune:
- Start with a reward amount of $0
- Every time a letter is guessed, generate a random amount and reward the user if they found a letter (multiplying the reward if multiple letters found), otherwise subtract from their reward.
- When they guess the word, log their final reward amount.
- Bonus: Make it like Hangman:
- Keep track of all the guessed letters (right and wrong) and only let the user guess a letter once. If they guess a letter twice, do nothing.
- Keep track of the state of the hangman as a number (starting at 0), and subtract or add to that number every time they make a wrong guess.
- Once the number reaches 6 (a reasonable number of body parts for a hangman), inform the user that they lost and show a hangman on the log.
[ Source | Solution on repl.it ]
The Converter
The Converter
- Write a function that does a one way imperial to metric conversion with the value to be converted passed in as an argument.
- Update your conversion function so that values can be converted both ways, with the type of conversion also passed in as an argument. Your function call should look like this:
convert(15, "inches to centimeters");
- Hint - use an 'if' statement to check the type of conversion.
- Update your conversion function so that an array of values can be passed in as the first argument with each value converted.
Help & Resources
Help & Resources
Additional Readings (optional)
Additional Readings (optional)