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JavaScript percentage calculation functions


Custom JavaScript function queueStructure JavaScript codeCDN Fallback “library”Functional organisation of JavaScript functionsMortgage calculator in JavaScriptAnimated SVG pie chart with custom propertiesTo-do app, as one monster function and as several smaller functionsShuntyard Javascript Calculator with unit testsCondensing a TableJavaScript interest rate calculator













0












$begingroup$


I am building a calculator and I'm aware of what these functions do.



What I basically want feedback on is: Do I need to comment this or is there sufficient information to ascertain its purpose:



function percentOfValue(percentage, of) 
return (percentage / 100) * of;


function whatPercentOfValue(small, large)
return (small / large) * 100










share|improve this question









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    0












    $begingroup$


    I am building a calculator and I'm aware of what these functions do.



    What I basically want feedback on is: Do I need to comment this or is there sufficient information to ascertain its purpose:



    function percentOfValue(percentage, of) 
    return (percentage / 100) * of;


    function whatPercentOfValue(small, large)
    return (small / large) * 100










    share|improve this question









    New contributor




    Chris is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







    $endgroup$














      0












      0








      0





      $begingroup$


      I am building a calculator and I'm aware of what these functions do.



      What I basically want feedback on is: Do I need to comment this or is there sufficient information to ascertain its purpose:



      function percentOfValue(percentage, of) 
      return (percentage / 100) * of;


      function whatPercentOfValue(small, large)
      return (small / large) * 100










      share|improve this question









      New contributor




      Chris is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      I am building a calculator and I'm aware of what these functions do.



      What I basically want feedback on is: Do I need to comment this or is there sufficient information to ascertain its purpose:



      function percentOfValue(percentage, of) 
      return (percentage / 100) * of;


      function whatPercentOfValue(small, large)
      return (small / large) * 100







      javascript






      share|improve this question









      New contributor




      Chris is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question









      New contributor




      Chris is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      share|improve this question




      share|improve this question








      edited 1 min ago









      200_success

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      130k17155419






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      asked 4 hours ago









      ChrisChris

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          $begingroup$

          Code level comments usually lose their context if not properly maintained. Using self descriptive variable names is a good choice. Appreciate your efforts in keeping the code highly readable.



          • First method, is trying to get the Percentage value, I would update the method definition to getPercentOfValue(from, percentage).


          • Second method, is trying to calculate percent rate, I would update the method definition to getPercentRate(newValue, originalValue) to follow the terminology in formula.






          share|improve this answer








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            1 Answer
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            1 Answer
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            0












            $begingroup$

            Code level comments usually lose their context if not properly maintained. Using self descriptive variable names is a good choice. Appreciate your efforts in keeping the code highly readable.



            • First method, is trying to get the Percentage value, I would update the method definition to getPercentOfValue(from, percentage).


            • Second method, is trying to calculate percent rate, I would update the method definition to getPercentRate(newValue, originalValue) to follow the terminology in formula.






            share|improve this answer








            New contributor




            brightDot is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.






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              0












              $begingroup$

              Code level comments usually lose their context if not properly maintained. Using self descriptive variable names is a good choice. Appreciate your efforts in keeping the code highly readable.



              • First method, is trying to get the Percentage value, I would update the method definition to getPercentOfValue(from, percentage).


              • Second method, is trying to calculate percent rate, I would update the method definition to getPercentRate(newValue, originalValue) to follow the terminology in formula.






              share|improve this answer








              New contributor




              brightDot is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
              Check out our Code of Conduct.






              $endgroup$















                0












                0








                0





                $begingroup$

                Code level comments usually lose their context if not properly maintained. Using self descriptive variable names is a good choice. Appreciate your efforts in keeping the code highly readable.



                • First method, is trying to get the Percentage value, I would update the method definition to getPercentOfValue(from, percentage).


                • Second method, is trying to calculate percent rate, I would update the method definition to getPercentRate(newValue, originalValue) to follow the terminology in formula.






                share|improve this answer








                New contributor




                brightDot is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.






                $endgroup$



                Code level comments usually lose their context if not properly maintained. Using self descriptive variable names is a good choice. Appreciate your efforts in keeping the code highly readable.



                • First method, is trying to get the Percentage value, I would update the method definition to getPercentOfValue(from, percentage).


                • Second method, is trying to calculate percent rate, I would update the method definition to getPercentRate(newValue, originalValue) to follow the terminology in formula.







                share|improve this answer








                New contributor




                brightDot is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.









                share|improve this answer



                share|improve this answer






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                answered 49 mins ago









                brightDotbrightDot

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                    Chris is a new contributor. Be nice, and check out our Code of Conduct.









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