Answering mandatory interprater file

Author: Abrsh100

Sprint-1/3-mandatory-interpret/1-percentage-change.js

@@ -13,37 +13,46 @@ console.log(`The percentage change is ${percentageChange}`);
 
 // a) How many function calls are there in this file? Write down all the lines where a function call is made
 
-// There are five functions calls.
-//carPrice.replaceAll(",", "")
-//Number(carPrice.replaceAll(",", ""))
-//priceAfterOneYear.replaceAll("," "")
-//Number(priceAfterOneYear.replaceAll("," ""))
-//console.log(`The percentage change is ${percentageChange}`)
+//Answer 
+/* There are five functions calls.
+carPrice.replaceAll(",", "")
+Number(carPrice.replaceAll(",", ""))
+priceAfterOneYear.replaceAll("," "")
+Number(priceAfterOneYear.replaceAll("," ""))
+console.log(`The percentage change is ${percentageChange}`)*/
+
 
 // b) Run the code and identify the line where the error is coming from - why is this error occurring? How can you fix this problem?
 
-// When I run the code the error is "syntaxError: missing ) after argument list.
-// The error comes from line 5
-// The error occurs due to the missing coma between the two strings in the replaceAll() call.
-// Add coma between the two strings "priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));"
+//Answer
+/* When I run the code the error is "syntaxError: missing ) after argument list.
+the error comes from line 5
+The error occurs due to the missing coma between the two strings in the replaceAll() call.
+Add coma between the two strings "priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));" */
+
 
 // c) Identify all the lines that are variable reassignment statements
 
-// there are to lines that state variable reassignment
-// carPrice = Number(carPrice.replaceAll(",", ""));
-// priceAfterOneYear = Number(priceAfterOneYear.replaceAll("," ""));
+//Answer
+/* there are to lines that state variable reassignment
+carPrice = Number(carPrice.replaceAll(",", ""));
+priceAfterOneYear = Number(priceAfterOneYear.replaceAll("," "")); */
+
 
 // d) Identify all the lines that are variable declarations
 
-// There are fore variable declarations (line 1, line 2, line 7, line 8)
-// let carPrice = "10,000";
-// let priceAfterOneYear = "8,543";
-// const priceDifference = carPrice - priceAfterOneYear;
-// const percentageChange = (priceDifference / carPrice) * 100;
+//Answer
+
+/*There are fore variable declarations (line 1, line 2, line 7, line 8)
+let carPrice = "10,000";
+let priceAfterOneYear = "8,543";
+const priceDifference = carPrice - priceAfterOneYear;
+const percentageChange = (priceDifference / carPrice) * 100;*/
 
 
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
+//Answer
 
-// carprice at line 1 is a string in order to calculate for the next line of codes you have to change the string ti number.
-// carPrice.replaceAll(",","")). delete the coma in between the number (e.g from "10,000" to "10000")
-// number() change the string to number ("10000" to 10000)
+/*carprice at line 1 is a string in order to calculate for the next line of codes you have to change the string ti number.
+carPrice.replaceAll(",","")). delete the coma in between the number (e.g from "10,000" to "10000")
+number() change the string to number ("10000" to 10000)*?

Sprint-1/3-mandatory-interpret/2-time-format.js

@@ -12,21 +12,30 @@ console.log(result);
 // For the piece of code above, read the code and then answer the following questions
 
 // a) How many variable declarations are there in this program?
-// There are 6 variable declaration. "line1, line3, line4, line6, line7, line9"
+
+/*There are 6 variable declaration. "line1, line3, line4, line6, line7, line9"*/
 
 // b) How many function calls are there?
-// There is only one function call in this program "console.log(result);"
+
+/* There is only one function call in this program "console.log(result);" */
+
 
 // c) Using documentation, explain what the expression movieLength % 60 represents
 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators
-// % is called remainder. There fore movieLength % 60 represents the remainder of the movie length after dividing by 60.
+
+/* % is called remainder. There fore movieLength % 60 represents the remainder of the movie length after dividing by 60. */
 
 // d) Interpret line 4, what does the expression assigned to totalMinutes mean?
-// totalMinutes are calculated by subtracting the remaining seconds from movie length and divided by 60 to get full minutes. this helps to get a number which divided by 60 with out reminder.
+
+/* totalMinutes are calculated by subtracting the remaining seconds from movie length and divided by 60 to get full minutes. 
+this helps to get a number which divided by 60 with out reminder.*/
 
 // e) What do you think the variable result represents? Can you think of a better name for this variable?
-// result represents the total length of the movie in the form of Hour: minute: second
-// moveDurationFormatted can be a better name to replace result. 
+
+/*result represents the total length of the movie in the form of Hour: minute: second
+moveDurationFormatted can be a better name to replace result. */
 
 // f) Try experimenting with different values of movieLength. Will this code work for all values of movieLength? Explain your answer
-// Yes it works for all value. the only thing that is concerning is the validation of movieLength as the negative integer also gives value which is unrealistic. 
+
+/* Yes it works for all value. the only thing that is concerning is the validation of movieLength as the negative integer also gives value which is unrealistic. */
+

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

@@ -1,5 +1,5 @@
-onst penceString = "399p";
 
+onst penceString = "399p";
 const penceStringWithoutTrailingP = penceString.substring(
   0,
   penceString.length - 1
@@ -24,14 +24,15 @@ 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"
-// 2. const penceStringWithoutTrailingP = penceString.substring( 0, penceString.length - 1);
-//    This remove the p and left the string with only 399
-// 3. const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
-//    this code make sure that the string has 3 character. since one pound is equal 100 pence.
-// 4. const pounds = paddedPenceNumberString.substring( 0, paddedPenceNumberString.length - 2);
-//    This code takes the number leaving the last 2 digits  "in this case it takes 3 and leave 99"
-// 5. const pence = paddedPenceNumberString.substring(paddedPenceNumberString.length - 2)  .padEnd(2, "0");
-//    This code takes the last digit from the string and also make sure that it has only two digits this gives a "99" value.
-// 6. console.log(`£${pounds}.${pence}`);
-//    his gives a result with £ sign and separated by . " in this case it gives £3.99 "
+
+/*1. const penceString = "399p": initialises a string variable with the value "399p"
+  2. const penceStringWithoutTrailingP = penceString.substring( 0, penceString.length - 1);
+   This remove the p and left the string with only 399
+  3. const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
+    this code make sure that the string has 3 character. since one pound is equal 100 pence.
+  4. const pounds = paddedPenceNumberString.substring( 0, paddedPenceNumberString.length - 2);
+    This code takes the number leaving the last 2 digits  "in this case it takes 3 and leave 99"
+  5. const pence = paddedPenceNumberString.substring(paddedPenceNumberString.length - 2)  .padEnd(2, "0");
+    This code takes the last digit from the string and also make sure that it has only two digits this gives a "99" value.
+  6. console.log(`£${pounds}.${pence}`);
+    his gives a result with £ sign and separated by . " in this case it gives £3.99 " */