Hacks

Fix the errors in the first three segments in this notebook and say what you changed in the code cell under “What I Changed” (Challenge is optional)

Segment 1: Alphabet List

Intended behavior: create a list of characters from the string contained in the variable alphabet

Code:

What I Changed

I changed alphabetList.push(i); to alphabetList.push(alphabet[i]) so that the console would print characters from the variable alphabet and changed 10 to alphabet.length to print every character in the variable.

Segment 2: Numbered Alphabet

Intended behavior: print the number of a given alphabet letter within the alphabet. For example:

"_" is letter number _ in the alphabet

Where the underscores (_) are replaced with the letter and the position of that letter within the alphabet (e.g. a=1, b=2, etc.)

Code:

What I Changed

I changed for (var i = 0; i < alphabetList; i++) to for (var i = 0; i < alphabetList.length; i++) to make sure that i was changing with regards to the length of alphabetList. Then I changed console.log(letterNumber) to console.log(alphabet[letterNumber]) so that the number 5 would correspond to the numbered character in the variable alphabet. After that I changed it to console.log(alphabet[letterNumber - 1] so it would return e and not f, since computers start counting from 0.

Segment 3: Odd Numbers

Intended behavior: print a list of all the odd numbers below 10

Code:

What I Changed

I changed let i = 0 to let i = 1 so that for every while loop, 2 is added to 1 instead of 0 so that the function prints odd numbers instead of even.

BELOW NOT EDITED

The intended outcome is printing a number between 1 and 100 once, if it is a multiple of 2 or 5

What values are outputted incorrectly. Why?
Make changes to get the intended outcome.

What I Changed

I changed the for loop to include both conditions in the same parameter, then wrote code to only push the number if not already included in the array.

Challenge

This code segment is at a very early stage of implementation.

What are some ways to (user) error proof this code?
The code should be able to calculate the cost of the meal of the user

Hint:

write a “single” test describing an expectation of the program of the program
test - input burger, expect output of burger price
run the test, which should fail because the program lacks that feature
write “just enough” code, the simplest possible, to make the test pass

Then repeat this process until you get program working like you want it to work.