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AbdennourHachemiAbdennourHachemi
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solving exercise 2-time-format
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‎Sprint-2/3-mandatory-interpret/2-time-format.js‎

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@@ -11,15 +11,57 @@ console.log(result);
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// For the piece of code above, read the code and then answer the following questions
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// a) How many variable declarations are there in this program?
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/************************************************** */
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/* Solution a): There are 6 varibale declarations */
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/************************************************* */
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// b) How many function calls are there?
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/**************************************************/
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/* Solution b): */
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/* There is only one fuction call (console.log() */
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/*********************************************** */
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// c) Using documentation, explain what the expression movieLength % 60 represents
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// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators
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/*********************************************************************************************************************/
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/*Solution c): */
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/* The operator (%) called Modulo returns the remainder left over when one operand is divided by a second operand */
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/* In this expamle it gives the time remainder of the movie in seconds */
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/*********************************************************************************************************************/
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// d) Interpret line 4, what does the expression assigned to totalMinutes mean?
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/****************************************************************************************************************************************************************************/
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/* Solution d): */
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/* The totalMinutes expression is calaculated first by subtrackting the lengh of movie by the reminder of seconds which rounds down the nearst minutes */
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/* Since we know the total number of seconds that are multiple of 60 we can can calculate the total number of minutes by dividing it over 60 since 1 minute is 60 seconds */
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/* This way we have the Movie total exact number of miutes. */
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/****************************************************************************************************************************************************************************/
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// e) What do you think the variable result represents? Can you think of a better name for this variable?
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/*********************************************************************************************/
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/* Solution e): */
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/* The variable result represents the exact lenght of the movie in Hours + Minutes + Seconds */
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/* A better name for variable result could be : extctMovieLength */
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/*********************************************************************************************/
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// f) Try experimenting with different values of movieLength. Will this code work for all values of movieLength? Explain your answer
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/***************************************************************************************************************************************************************/
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/* Solution e): */
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/* movieLength = 0 => exactMovieLength = 0:0:0 */
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/* movieLength = 60 => exactMovieLength = 0:1:0 */
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/* movieLength = 3676 => exactMovieLength = 1:1:16 */
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/* */
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/* This code work for all values of movieLength provided that it doesn't exeed 86400 which is 24 hours = 1 day (realisticly no movie is over 24 hours) */
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/* */
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/**********************************************************************************************************************************************************/
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