| <script>
function DateAdd (interval,number,date)
{
/*
*---------------DateAdd (interval,number,date)-----------------
* DATEADD (Interval,number,date)
* Function: To achieve the DATEADD function of VBScript.
* Parameter: interval, a string expression representing the time interval to add.
* Parameter: number, numeric expression, representing the amount of time interval to add.
* Parameter: Date, Time object.
* Return: A new Time object.
* var now = new Date ();
* var newdate = DateAdd ("D", 5,now);
* AUTHOR:WANGHR100 (Grey bean baby. NET)
* Update:2004-5-28 11:46
*---------------DateAdd (interval,number,date)-----------------
*/
Switch (interval)
{
Case "Y": {
Date.setfullyear (Date.getfullyear () +number);
return date;
Break
}
Case "Q": {
Date.setmonth (Date.getmonth () +number*3);
return date;
Break
}
Case "M": {
Date.setmonth (Date.getmonth () +number);
return date;
Break
}
Case "W": {
Date.setdate (Date.getdate () +number*7);
return date;
Break
}
Case "D": {
Date.setdate (Date.getdate () +number);
return date;
Break
}
Case "H": {
Date.sethours (Date.gethours () +number);
return date;
Break
}
Case "M": {
Date.setminutes (Date.getminutes () +number);
return date;
Break
}
Case "S": {
Date.setseconds (Date.getseconds () +number);
return date;
Break
}
Default: {
Date.setdate (D.getdate () +number);
return date;
Break
}
}
} var now = new Date ();
//Plus five days.
var newdate = DateAdd ("D", 5,now);
Alert (newdate.tolocaledatestring ())
//plus two months.
newdate = DateAdd ("M", 2,now);
Alert (newdate.tolocaledatestring ())
//plus one year
newdate = DateAdd ("Y", 1,now);
Alert (newdate.tolocaledatestring ())
</script> |
