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$("#txtcredit_periodform").on("change paste keyup", function () {
           // alert($(this).val());
           var someDate = new Date($('#txt_invdateform').val());
           var numberOfDaysToAdd = $(this).val();
           someDate.setDate(someDate.getDate() + numberOfDaysToAdd);
           var date = someDate.getMonth() + '/' + someDate.getDate() + '/' + someDate.getFullYear();


What I have tried:

I want to add days to selected date which will reflect in another textbox as new date. though the code is working but calculation goes wrong. please help
Updated 26-Feb-17 23:39pm
Michael_Davies 27-Feb-17 4:39am
What do you mean by the code works but the calculation goes wrong, show an example.
Member 10549697 27-Feb-17 4:53am
it takes the date into mm dd yy format.i don't know what exactly happens.but it shows wrong date

1 solution

I suspect that numberOfDaysToAdd is a string... then if, for example, someDate.getDate() is 27 and numberOfDaysToAdd is "5", then someDate.getDate() + numberOfDaysToAdd) will be "275" rather than 32.

Parse the value to an integer before adding it up to the getDate() return value:
var numberOfDaysToAdd = parseInt($(this).val(), 10);
if (isNaN(numberOfDaysToAdd)) {
  // invalid number; show an error message
// continue with the calculations
Member 10549697 27-Feb-17 5:07am
Correct sir!
this was the problem. now resolved.
Thank you so much

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