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Leap Year Check In Javascript

/ Published in: JavaScript
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date object return date of next month if day parameter overflows

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  1. var month = {LastDay : function(Year,Month){ return 32 - new Date(Year,Month,32).getDate();}}
  2. var Year = {IsLeap: function(Year){ return 29 == month.LastDay(Year,1)}};
  3. Year.IsLeap(2000); // returns true
  4. Year.IsLeap(2000); // returns false

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