Add Days to a Date

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1

Hello every body

Sorry, i am a beginner…
I have 2 datepickers…one for Departure date and one for return date.
I would like add 7 days when Departure date is change

I can’t do simple do this ?
$w( “#departure” ).value= $w( “#return” ).value + 7

I don’t find the solution
Thanks for your help

2

Check here
https://www.w3schools.com/js/tryit.asp?filename=tryjs_date_ahead

3

Add this function to your code:

Date.prototype.addDays = function(days) {
     var date = new Date(this.valueOf());
     date.setDate(date.getDate() + days);
     return date;
 }

than you can simply write

$w("#departure").value = $w("#return").value.addDays(7);
4

Amazing, it is working !
Thanks a lot and take care of you