Mercurial > lada > lada-client
annotate resources/lib/Date.prototype.getDOY.js @ 782:a0cfe2395e0a
Added Prototype for Date to return DOY
| author | Dustin Demuth <dustin@intevation.de> |
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| date | Tue, 12 May 2015 17:49:09 +0200 |
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a0cfe2395e0a
Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
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changeset
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1 |
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a0cfe2395e0a
Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
diff
changeset
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2 // A new Prototype to return the Day of the Year. |
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a0cfe2395e0a
Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
diff
changeset
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3 // Taken from: http://javascript.about.com/library/bldayyear.htm |
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a0cfe2395e0a
Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
diff
changeset
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4 Date.prototype.getDOY = function() { |
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a0cfe2395e0a
Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
diff
changeset
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5 var onejan = new Date(this.getFullYear(),0,1); |
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a0cfe2395e0a
Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
diff
changeset
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6 return Math.ceil((this - onejan) / 86400000); |
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a0cfe2395e0a
Added Prototype for Date to return DOY
Dustin Demuth <dustin@intevation.de>
parents:
diff
changeset
|
7 } |