How can I calculate date plus or minus n days

[tamnguyet]

I have n days and a date, I want a date plus(or minus) to n days.How can I do that in javascript

[dmjpro]

Welcome to TSDN.............

have a look on ............ http://www.w3schools.com/jsref/jsref_obj_date.asp

then try ..............

Date D = new Date();
D.setDate(D.getDate()+33)

best of luck.
kind regards.

[tamnguyet]

Thank you very much

I have another solution :

Date.prototype.addDays =
         function(days)
         {
            return new Date(this.getTime() + days * 24 * 60 * 60 * 1000);
         }

Best regrad

[dmjpro]

good to see you r handling the JS inheritence properties.....

best of luck with ur talent.
kind regards.

[aruun]

@tamnguyet
Your solution fixed my searching to end, it fulfilled my search