A simple JavaScript date calculation algorithm

Copy codeThe Code is as follows:
<Script type = "text/javascript">
Var today = new Date (); // defines the Date object of the current day
Var year = today. getYear (); // obtain the year
Var month = today. getMonth (); // obtain the month
Var date = today. getDate (); // get the date value
Try {
// Define the next date object, with the date value plus 30 days
Var nextDay = new Date (year, month, date + 30 );
// Print the information of the next date object
Document. write (nextDay. getYear (), '<br> ');
Document. write (nextDay. getMonth () + 1, '<br> ');
Document. write (nextDay. getDate (), '<br> ');
} Catch (e ){
Alert (e. message );
}
</Script>

Running result:
2009
10
11