Refactor random number generation logic and enhance comments for clarity (exercise 4-random.js)

Author: HadiVahidi20

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

@@ -5,5 +5,31 @@ const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
 
 // In this exercise, you will need to work out what num represents?
 // Try breaking down the expression and using documentation to explain what it means
+
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/random
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/floor
+// 
+
+//Mach.random() - generates a random number between 0 (inclusive) and 1 (exclusive):
+const num1=Math.random();
+console.log(num1);
+
+const num3=(maximum - minimum + 1);
+//(maximum - minimum + 1) - calculates the range of numbers we want (in this case, 100 - 1 + 1 = 100)
+//so by adding this to our random number we are scaling it to be between 0 and 100
+console.log(num3);
+const num2=Math.random()*(maximum - minimum + 1);
+console.log(num2);
+//until this point we have a random number between 0 (inclusive) and 100 (exclusive)but is can be a decimal number
+// Math.floor() - rounds down to the nearest whole number, so we now have a random integer between 0 and 99
+
+const num5 = Math.floor(Math.random() * (maximum - minimum + 1)) ;
+console.log(`it suppose to be a rounded number from 0-99  ${num5}`);
+
+//finally By adding 1, the number will be between 1 and 100, including both.
+
+console.log(`it suppose to be a rounded number from 1-100  ${num}`);
+
 // 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
+