public static JsDate addMonths(this JsDate date, JsNumber months)
{
var date2 = new JsDate(date.valueOf());
date2.setMonth(date2.getMonth() + months);
return(date2);
}
public static JsDate addYears(this JsDate date, JsNumber years)
{
var date2 = new JsDate(date.valueOf());
date2.setMonth(date2.getFullYear() + years);
return(date2);
}
public static JsDate addDays(this JsDate date, JsNumber days)
{
var date2 = new JsDate(date.valueOf());
date2.setDate(date2.getDate() + days);
return(date2);
}
public static JsDate addHours(this JsDate date, int hours)
{
var date2 = new JsDate(date.valueOf());
date2.setHours(date2.getHours() + hours);
return(date2);
}
public static JsDate addMinutes(this JsDate date, int minutes)
{
var date2 = new JsDate(date.valueOf());
date2.setMinutes(date2.getMinutes() + minutes);
return(date2);
}
public static JsDate addSeconds(this JsDate date, int seconds)
{
var date2 = new JsDate(date.valueOf());
date2.setSeconds(date2.getSeconds() + seconds);
return(date2);
}
// System.DateTime
public JsImplDateTime Subtract(TimeSpan value)
{
var newDate = new JsDate(date.valueOf());
newDate.setMilliseconds(date.getMilliseconds() + value.TotalMilliseconds);
return(new JsImplDateTime(newDate));
}
static int CompareJsDates(JsDate d1, JsDate d2)
{
if (d1 == d2)
return 0;
if (d1 == null)
return 1;
if (d2 == null)
return -1;
return d1.valueOf() - d2.valueOf();
}