annotate resources/lib/Date.prototype.getDOY.js @ 787:442e7bd290dc

merged heads
author Dustin Demuth <dustin@intevation.de>
date Wed, 13 May 2015 10:27:15 +0200
parents a0cfe2395e0a
children
rev   line source
782
a0cfe2395e0a Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
diff changeset
1
a0cfe2395e0a Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
diff changeset
2 // A new Prototype to return the Day of the Year.
a0cfe2395e0a Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
diff changeset
3 // Taken from: http://javascript.about.com/library/bldayyear.htm
a0cfe2395e0a Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
diff changeset
4 Date.prototype.getDOY = function() {
a0cfe2395e0a Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
diff changeset
5 var onejan = new Date(this.getFullYear(),0,1);
a0cfe2395e0a Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
diff changeset
6 return Math.ceil((this - onejan) / 86400000);
a0cfe2395e0a Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
diff changeset
7 }

http://lada.wald.intevation.org