Prototype ¬ Detail

author: Madokan [+], Submitted: 01.09.05 6a

// Jahreszeiten
Date.prototype.getPeriodOfYear = function()
{
	var monat = this.getMonth()+1;
	var tag = this.getDate();
	if ((monat<3) || ((monat == 3) && (tag<20)) || ((monat == 12) && (tag>20)))
	{
		return 'Winter';
	}
	else if ((monat<6) || ((monat == 6) && (tag<21)))
	{
		return 'Frühling';
	}
	else if ((monat<9) || ((monat == 9) && (tag<23)))
	{
		return 'Sommer';
	}
	else
	{
		return 'Herbst';
	}
};
ASSetPropFlags(Date.prototype, "getPeriodOfYear", 1, true);

usage

// Usage
datum = new Date();
trace(datum.getPeriodOfYear());