Skip to content

Instantly share code, notes, and snippets.

@yoko

yoko/date.date_in_month.js

Created April 27, 2010 09:01
Show Gist options
  • Save yoko/380517 to your computer and use it in GitHub Desktop.
Save yoko/380517 to your computer and use it in GitHub Desktop.
Download ZIP
Raw
date.date_in_month.js
Date.dayInMonth = function(year, month) {
if (year instanceof Date) {
var date = year;
year = date.getFullYear();
month = date.getMonth() + 1;
}
return new Date(year, month, 0).getDate();
};
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment