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Setting one date depending on an other

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  • Date element's Javascript:
    Select "Event" = change
    In "Javascript code" field add
    Code: 
    /*On change of from_date (=this element) set to_date  2 days after.
    
termin_reservation___bis = full element name of to_date, form_18 = your form id
    
*/
    
var to_date_id = 'termin_reservation___bis';
    
var to_date = Fabrik.getBlock('form_18').formElements.get(to_date_id);
    
var from_date = this.get('value');
    
var newDate = new Date(from_date);
    
newDate.increment('day', 2);
    
to_date.set(newDate);
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