@@ -2,33 +2,34 @@ function pad(num) {
22 return num . toString ( ) . padStart ( 2 , "0" ) ;
33}
44
5- function formatTimeDisplay ( seconds ) {
6- const remainingSeconds = seconds % 60 ;
7- const totalMinutes = ( seconds - remainingSeconds ) / 60 ;
8- const remainingMinutes = totalMinutes % 60 ;
9- const totalHours = ( totalMinutes - remainingMinutes ) / 60 ;
5+ function formatTimeDisplay ( seconds ) { // seconds = 61
6+ const remainingSeconds = seconds % 60 ; // 1
7+ const totalMinutes = ( seconds - remainingSeconds ) / 60 ; // 61 - 1) / 60 = 1
8+ const remainingMinutes = totalMinutes % 60 ; // 1 / 60 = 1
9+ const totalHours = ( totalMinutes - remainingMinutes ) / 60 ; // 0
1010
1111 return `${ pad ( totalHours ) } :${ pad ( remainingMinutes ) } :${ pad ( remainingSeconds ) } ` ;
1212}
13+ console . log ( formatTimeDisplay ( 61 ) ) ;
1314
1415// You will need to play computer with this example - use the Python Visualiser https://pythontutor.com/visualize.html#mode=edit
1516// to help you answer these questions
1617
1718// Questions
1819
1920// a) When formatTimeDisplay is called how many times will pad be called?
20- // =============> write your answer here
21+ //3 times
2122
2223// Call formatTimeDisplay with an input of 61, now answer the following:
2324
2425// b) What is the value assigned to num when pad is called for the first time?
25- // =============> write your answer here
26+ // 0
2627
2728// c) What is the return value of pad is called for the first time?
28- // =============> write your answer here
29+ // 00
2930
3031// d) What is the value assigned to num when pad is called for the last time in this program? Explain your answer
31- // =============> write your answer here
32+ // 1
3233
3334// e) What is the return value assigned to num when pad is called for the last time in this program? Explain your answer
34- // =============> write your answer here
35+ // 01
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