#100 ✓not_for_core
Laurent Fortin

getLastDayOfMonth() for Date

Reported by Laurent Fortin | May 14th, 2008 @ 10:11 PM

This is an enhancement request/suggestion:

A method that would return the last day of the month for any given date.

example: new Date(2008, 1, 15).getLastDayOfMonth() would return 29.

Here would be the code to include in prototype.js right after toJSON() :


Date.prototype.getLastDayOfMonth = function() {
  return new Date(new Date(this.getFullYear(),this.getMonth()+1,0)).getDate();
};

Thanks for giving me the chance to contribute! :-)

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