Key excercises for sprint 2

Author: gaireprakash20-ops

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

@@ -3,4 +3,5 @@ let count = 0;
 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
+// Describe what line 3 is doing, in particular focus on what =  reassign a variable using the =  + operator.
+//Line 1 assigns count = 0. Line 3 uses that value (0) and adds 1, so count becomes 1.

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

@@ -1,10 +1,10 @@
 const firstName = "Creola";
 const middleName = "Katherine";
 const lastName = "Johnson";
-
+const CKJ = "something"
 // Declare a variable called initials that stores the first character of each string.
 // This should produce the string "CKJ", but you must not write the characters C, K, or J in the code of your solution.
 
-const initials = ``;
-
-// https://www.google.com/search?q=get+first+character+of+string+mdn
+const initials = `"${firstName.charAt(0)}${middleName.charAt(0)}${lastName.charAt(0)}"`;
+console.log(initials)
+// // https://www.google.com/search?q=get+first+character+of+string+mdn

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

@@ -17,7 +17,9 @@ 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
 
-const dir = ;
-const ext = ;
+const dir = filePath.slice(0, lastSlashIndex);
+const ext = base.slice(base.lastIndexOf("."));
 
-// https://www.google.com/search?q=slice+mdn
+// https://www.google.com/search?q=slice+mdn
+console.log(`The dir part of ${filePath} is ${dir}`);
+console.log(`The ext part of ${filePath} is ${ext}`);

Sprint-2/1-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
+
+// In this exercise, num represent the value integer number between 1 to 100.
+//Math.random generates a random decimal number from 0 up to 1, but not including, 1.
+// down to the nearest whole number (integer).
+//Running the program several times generate the whole number(integer) like (1,10,15,44,66,55) several times between 1 to 100 all 100 number has a equal 1% chance to appear(generate).
+console . log (num)
+//