@@ -2,7 +2,7 @@ let carPrice = "10,000";
22let priceAfterOneYear = "8,543" ;
33
44carPrice = Number ( carPrice . replaceAll ( "," , "" ) ) ;
5- priceAfterOneYear = Number ( priceAfterOneYear . replaceAll ( "," "" ) ) ;
5+ priceAfterOneYear = Number ( priceAfterOneYear . replaceAll ( "," , "" ) ) ;
66
77const priceDifference = carPrice - priceAfterOneYear ;
88const percentageChange = ( priceDifference / carPrice ) * 100 ;
@@ -12,11 +12,21 @@ console.log(`The percentage change is ${percentageChange}`);
1212// Read the code and then answer the questions below
1313
1414// a) How many function calls are there in this file? Write down all the lines where a function call is made
15+ // There are 5 function calls in this file.
16+ // Line 4 calls replaceAll() and Number().
17+ // Line 5 calls replaceAll() and Number().
18+ // Line 10 calls console.log().
1519
1620// 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?
21+ // The error was on line 5. The replaceAll() function call was missing the correct closing bracket/parenthesis.
22+ // I fixed it by making the line: priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));
1723
1824// c) Identify all the lines that are variable reassignment statements
25+ // Lines 4 and 5 are variable reassignment statements because its declared on lines 1 and 2.
26+
1927
2028// d) Identify all the lines that are variable declarations
29+ // line 1 and 2 are variable declarations because they are declared using the let keyword.
2130
2231// e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
32+ //// Removes commas and converts the string to a number.
0 commit comments