solved the exercises

Author: Ebrahim-Moqbel

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

@@ -4,4 +4,5 @@ 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
+
 // Line 3 is an assignment where = is an assignment operator and in there we are adding value of 1 to the count variable

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

@@ -6,6 +6,6 @@ let lastName = "Johnson";
 // This should produce the string "CKJ", but you must not write the characters C, K, or J in the code of your solution.
 
 let initials = ``;
-console.log(`the initials is ${firstName.charAt(0)}, ${middleName.charAt(0), lastName(0)}`);
+console.log(`the initials is ${firstName.charAt(0)}, ${middleName.charAt(0), lastName.charAt(0)}`);
 
 // https://www.google.com/search?q=get+first+character+of+string+mdn

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

@@ -15,9 +15,10 @@ const base = filePath.slice(lastSlashIndex + 1);
 console.log(`The base part of ${filePath} is ${base}`);
 
 // Create a variable to store the dir part of the filePath variable
-// Create a variable to store the ext part of the variable
+// Create a variable to store the ext part of the variable 
 
-const dir = ;
-const ext = ;
+const dir = filePath.slice(0, lastSlashIndex);
+const ext =  filePath.slice(filePath.lastIndexOf("."));
 
-// https://www.google.com/search?q=slice+mdn
+
+// https://www.google.com/search?q=slice+mdn 

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

@@ -7,3 +7,10 @@ const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
 // Try breaking down the expression and using documentation to explain what it means
 // 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
+
+// math.floor will make the number as a whole and remove any decimals or more likely to round the the nearest whole number
+// math.random will generate a random number from 0 to 1 but not 1 
+// (maximum - minimum + 1) provide a range of generated random number 
+// num is a random whole number between 1 and 100 
+
+console.log(num);

Sprint-1/2-mandatory-errors/0.js

@@ -1,2 +1,2 @@
-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?
+//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?

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

@@ -1,4 +1,4 @@
 // trying to create an age variable and then reassign the value by 1
 
-const age = 33;
+let age = 33;
 age = age + 1;

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

@@ -1,5 +1,8 @@
 // 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";
+
+// the error is that cityOfBirth varaible declared after the logging command

Sprint-1/2-mandatory-errors/3.js

@@ -1,9 +1,12 @@
 const cardNumber = 4533787178994213;
-const last4Digits = cardNumber.slice(-4);
+//const last4Digits = cardNumber.slice(-4);
 
 // The last4Digits variable should store the last 4 digits of cardNumber
 // However, the code isn't working
 // Before running the code, make and explain a prediction about why the code won't work
 // Then run the code and see what error it gives.
 // Consider: Why does it give this error? Is this what I predicted? If not, what's different?
 // Then try updating the expression last4Digits is assigned to, in order to get the correct value
+
+// I predicted the last four digits bit it has to be a string in order to use the method slice and that explain why it wasn't working
+const last4Digits = cardNumber.toString.slice(-4);

Sprint-1/2-mandatory-errors/4.js

@@ -1,2 +1,2 @@
-const 12HourClockTime = "20:53";
-const 24hourClockTime = "08:53";
+const twelveHourClockTime = "20:53";
+const twentyFourHourClockTime = "08:53";