Prototype ¬ Detail

author: orangechicken [+], Submitted: 10.28.02 10p • Last Edit: 10.28.02 10p

/* Supporting prototypes */
Date.dayNames = [ 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday' ];
Date.prototype.getDayName = function() {
	return Date.dayNames[ this.getDay() ];
}

/* getFirstDayOfMonth - returns number or name of first day of Date instance's month */
Date.prototype.getFirstDayOfMonth = function( useName ) {
	var tempDate = new Date( this.getFullYear(), this.getMonth() );
	return ( !useName ) ? tempDate.getDay() : tempDate.getDayName();
};

usage

myDate = new Date();
trace( myDate.getFirstDayOfMonth() ); // output: 2
trace( myDate.getFirstDayOfMonth( true )); // output: Tuesday