answered questions

Author: zakiaao-tech

Sprint-2/3-mandatory-interpret/1-percentage-change.js

@@ -12,11 +12,13 @@ console.log(`The percentage change is ${percentageChange}`);
 // Read the code and then answer the questions below
 
 // a) How many function calls are there in this file? Write down all the lines where a function call is made
-
+ There are 5 function calls, two function calls on line 4 = Number(...) and replaceAll(...) two more on line 5 = Number(...) and replaceAll(...) and finally on line 10 = console.log(...)
 // 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?
-
+SyntaxError: missing a comma to separate the arguments
 // c) Identify all the lines that are variable reassignment statements
-
+carPrice = Number(carPrice.replaceAll(",", "")); and priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));
 // d) Identify all the lines that are variable declarations
-
+There are 4 variable declarations- 1) let carPrice = "10,000"; 2) let priceAfterOneYear = "8,543"; 
+3) const priceDifference = carPrice-priceAfterOneYear; 4) const percentageChange = (priceDifferenc/carPrice)* 100;
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
+Number(carPrice.replaceAll(",", "")); is a string and the expression removes the comma from "10,000" and converts "10000" from a string into the number 10000.