Enhance clarity and documentation in 3-to-pounds.js

Refactor code to improve clarity and add comments explaining each step.

Author: Rawan0-0

Sprint-2/3-mandatory-interpret/3-to-pounds.js

@@ -2,13 +2,13 @@ const penceString = "399p";
 
 const penceStringWithoutTrailingP = penceString.substring(
   0,
-  penceString.length - 1
+  penceString.length - 1,
 );
 
 const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
 const pounds = paddedPenceNumberString.substring(
   0,
-  paddedPenceNumberString.length - 2
+  paddedPenceNumberString.length - 2,
 );
 
 const pence = paddedPenceNumberString
@@ -25,33 +25,37 @@ console.log(`£${pounds}.${pence}`);
 
 // To begin, we can start with
 // 1. const penceString = "399p": initialises a string variable with the value "399p"
-// 2. const penceStringWithoutTrailingP  = penceString.substring(
- // 0,
- // penceString.length - 1
-//);
-//INITIALISES A STRING VARIABLE AND ASSIGN ITS VALUE USEING THE penceString.substring
-// so what happins is penceString.substring is using the value from the application or calculation of (
-  //0,
- // penceString.length - 1
+
+//for this code I struggled with some part so I had to ask copilot to explain some lines of the code to me
+//const penceStringWithoutTrailingP = penceString.substring(
+// 0,
+// penceString.length - 1
 //);
-// we are tillING IT TO start from the first inex (0) and not to include index 3 which penceString.length than use the operator - to subtract 1
-// we intialise a string variable const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0"); and assign its value to be
+//const penceStringWithoutTrailingP: a string variable is initialised and assigned
+// using the = operator to be equal to the value of string penceString when the method substring is used to cut part of the string
+//so substring(0, penceString.length - 1);: means use substring method starting from index zero and end before the last character pencestring.length-1 : which is the length of the string
+//but how dom we know which index? Its is basically the characters in string where "399p" means we have 4 characters and we want to take 1
+//do 4 - 1 = 3 , so we are removing p character from the string so it becomes 399
+//this line says take the string penceStringWithoutTrailingP and use padStart()string method
+// (3, "0"); this means make the string 3 characters at least and if not add o to the beginning
 //const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
+//this line means take the string paddedPenceNumberString and use the
+//substring(0, length - 2) method to remove the last 2 characters , than store
+//the value into the pounds variable
 //const pounds = paddedPenceNumberString.substring(
- // 0,
-  //paddedPenceNumberString.length - 2
+// 0,
+// paddedPenceNumberString.length - 2
 //);
-// we assign the value to be starting with  MINUMUM LENGTH IS 3 CHARACTERS than if not ADD THE VALUE 0 TO THE BEGINNING
-// we initialise a variable const pounds and assign its value to be the value from using paddedPenceNumberString.substring
-//paddedPenceNumberString.substring value is found by starting from the first index WITH LENGTH 3 and ending with paddedPenceNumberString.length subtracted by the operator 2
 
-// IN THIS LINE const pence = paddedPenceNumberString
-const pence = paddedPenceNumberString
-  .substring(paddedPenceNumberString.length - 2)
-  .padEnd(2, "0");
-
-console.log(`£${pounds}.${pence}`);
-// we initialise a string variable and assign its value to be the paddedPenceNumberString variable with the value from using the substring method
-// the substring method is calculated by using the length property or the value of paddedPenceNumberString subtracting it by 2 using operator -
-// than using the method .padEnd to specify that if the length is not two add the value 0
-// last we ask the console to print the values in pounds and pence
+//this (paddedPenceNumberString.length - 2) mean find the position of the last 2 characters
+//in the string paddedPenceNumberString
+//substring()means take the last 2 characters you found from the string
+//.padEnd(2, "0"); means if the result is less than two characters , than add zero at
+//the end until it reaches two digits
+//const pence = paddedPenceNumberString
+//.substring(paddedPenceNumberString.length - 2)
+// .padEnd(2, "0");
+//this line uses console.log to print the value of ponds and pence
+//it uses literal template to find the value of pounds, uses a decimal point , than finds the value of pence
+//it also uses a pound sign at the front
+// console.log(`£${pounds}.${pence}`);