Fixed formatting

Author: Diana Ausiejute

Sprint-2/1-key-exercises/1-count.js

@@ -5,5 +5,6 @@ count = count + 1;
 // Line 1 is a variable declaration, creating the count variable with an initial value of 0
 // Describe what line 3 is doing, in particular focus on what = is doing
 
-
-// "=" is an assignment operator and so what line 3 is doing, is the new value is being assigned to the variable "count", which in this case is an expression
+// "=" is an assignment operator and so what line 3 is doing,
+//  is the new value is being assigned to the variable "count",
+//  which in this case is by using an expression

Sprint-2/1-key-exercises/2-initials.js

@@ -7,8 +7,6 @@ const lastName = "Johnson";
 
 let initials = firstName.charAt(0) + middleName.charAt(0) + lastName.charAt(0);
 
-
-
 // https://www.google.com/search?q=get+first+character+of+string+mdn
 
-console.log(initials);
+console.log(initials);

Sprint-2/1-key-exercises/3-paths.js

@@ -17,13 +17,11 @@ const base = filePath.slice(lastSlashIndex + 1);
 // Create a variable to store the dir part of the filePath variable
 // Create a variable to store the ext part of the variable
 
-
 // https://www.google.com/search?q=slice+mdn
 
 const lastDotIndex = filePath.lastIndexOf(".");
 const ext = filePath.slice(lastDotIndex + 1);
-
-
+//or, const ext = filePath.slice(-3)
 
 //const firstSlashIndex = filePath.indexOf("/");
 //const dir = filePath.slice(firstSlashIndex + lastSlashIndex);
@@ -32,6 +30,4 @@ const ext = filePath.slice(lastDotIndex + 1);
 //const dir = filePath.slice(0 + (lastSlashIndex - 44));
 const dir = filePath.slice(0, lastSlashIndex + 1);
 
-
-console.log(dir)
-
+console.log(dir);

Sprint-2/1-key-exercises/4-random.js

@@ -8,6 +8,6 @@ const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
 // It will help to think about the order in which expressions are evaluated
 // Try logging the value of num and running the program several times to build an idea of what the program is doing
 
-
 console.log(num);
-// This expression uses 2 methods in order to create a random number between (min)1 and (max)100
+// This expression uses a function that returns a random number between (min)1 and (max)100.
+// So every time I ran the program, it generated a different result (between 1 and 100)

Sprint-2/2-mandatory-errors/0.js

@@ -1,4 +1,4 @@
 // This is just an instruction for the first activity - but it is just for human consumption
-// We don't want the computer to run these 2 lines - how can we solve this problem? 
+// We don't want the computer to run these 2 lines - how can we solve this problem?
 
-// the answer: by using "//" on each line
+// the answer: by using "//" on each line

Sprint-2/2-mandatory-errors/1.js

@@ -1,8 +1,12 @@
 // trying to create an age variable and then reassign the value by 1
 
-const age = 33;
-age = age + 1;
+// const age = 33;
+// age = age + 1;
+
+// the error is in line 4. It's a "TypeError: Assignment to constant variable", which was thrown because the value to
+// a specific constant can only be assigned once (which is done in line 3 already).
+// This wouldn't throw an error if instead of const, the let was used
 
-// the error is in line 4. It's a "TypeError: Assignment to constant variable", which was thrown because the value to 
-// a specific constant can only be assigned once (which is done in line 3 already). 
-// This wouldn't throw an error if instead of const, the let was used
+let age = 33;
+age = age + 1;
+console.log(age);

Sprint-2/2-mandatory-errors/2.js

@@ -1,8 +1,11 @@
 // Currently trying to print the string "I was born in Bolton" but it isn't working...
 // what's the error ?
 
-console.log(`I was born in ${cityOfBirth}`);
-const cityOfBirth = "Bolton";
+// console.log(`I was born in ${cityOfBirth}`);
+// const cityOfBirth = "Bolton";
 
 // an error in line 4, "ReferenceError: Cannot access 'cityOfBirth' before initialization", which proves my assumption that
-// the value of cityOfBirth should have been assigned prior to trying to print the string
+// the value of cityOfBirth should have been assigned prior to trying to print the string
+
+const cityOfBirth = "Bolton";
+console.log(`I was born in ${cityOfBirth}`);

Sprint-2/2-mandatory-errors/3.js

@@ -15,4 +15,3 @@ console.log(last4Digits);
 // Checked the error reference and decided to look more closely. Noticed that the card number is used as a number,
 // so it answers why the function couldn't be called - because they can be only called on Arrays and Strings.
 // Therefore, I'll add parentheses to turn the card number into a string (so that the function could be called)
-

Sprint-2/2-mandatory-errors/4.js

@@ -1,10 +1,9 @@
-const 12HourClockTime = "8:53pm";
-const 24hourClockTime = "20:53";
+// const 12HourClockTime = "8:53pm";
+// const 24hourClockTime = "20:53";
 
-console.log(HourClockTime24)
 // SyntaxError: Invalid or unexpected token.
 // it turns out that in JS variable names cannot begin with a number
 
 const HourClockTime12 = "8:53pm";
 const HourClockTime24 = "20:53";
-console.log(HourClockTime24)
+console.log(HourClockTime24);

Sprint-2/3-mandatory-interpret/1-percentage-change.js

@@ -20,4 +20,4 @@ console.log(`The percentage change is ${percentageChange}`);
 // d) Identify all the lines that are variable declarations
 // 1, 2
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
- // It turns/converts a string into a number by removing the comma and quotation marks (since they are non-number values)
+// It turns/converts a string into a number by removing the comma and quotation marks (since they are non-number values)