Breakdwon the code

Author: Fares-Bakhet

Sprint-1/3-mandatory-interpret/3-to-pounds.js

@@ -4,6 +4,7 @@ const penceStringWithoutTrailingP = penceString.substring(
   0,
   penceString.length - 1
 );
+//
 
 const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
 const pounds = paddedPenceNumberString.substring(
@@ -24,4 +25,14 @@ console.log(`£${pounds}.${pence}`);
 // Try and describe the purpose / rationale behind each step
 
 // To begin, we can start with
-// 1. const penceString = "399p": initialises a string variable with the value "399p"
+// 1. const penceString = "399p": initialises a string variable with the value "399p".
+
+// 2. const penceStringWithoutTrailingP = penceString.substring(0,penceString.length - 1): represent to takes a substring from index 0 up to (but not including) penceString.length - 1.
+
+// 3. const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0"): assign to ensures the numeric string is at least 3 characters long by adding leading zeros if needed.
+
+// 4. const pounds = paddedPenceNumberString.substring( 0,paddedPenceNumberString.length - 2): Takes the substring from the start up to (but not including) the last two characters.
+
+// 5. substring(length - 2) : use to returns the last two characters (the pence digits). padEnd(2, "0") would append trailing zeros if the result were shorter than 2.
+
+// 6. console.log(`£${pounds}.${pence}`): assign to display the price in a human-readable pounds-and-pence format (£x.yy)