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How To Add One Month To An Entered Date With Js?

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Hi Cameron,


How are you?


I think, you can use the following script:

function setDate()
     var firstDateFieldName = "first";
     var secondDateFieldName = "second";

     firstDateFieldName = "InsertRecord" + firstDateFieldName;
     secondDateFieldName = "InsertRecord" + secondDateFieldName;

     var f_Date = document.getElementById(firstDateFieldName ).value;
     var first_Date = new Date(Date.parse(f_Date));
     var result_Date = new Date (first_Date.setMonth(first_Date.getMonth()+1));

     var d_month = result_Date.getMonth() + 1;
     if (d_month<10) {d_month = "0" + d_month;}
     var d_day = result_Date.getDate();
     if (d_day<10) {d_day = "0" + d_day;}
     var d_year = result_Date.getFullYear();
     var str_date = d_month + "/" + d_day + "/" + d_year;     
     document.getElementById(secondDateFieldName ).value = str_date;

Let me know, if something doesn't work.

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use this in the footer or HTML Block below all elements:

 document.getElementById('InsertRecorddate').onblur= function (){

var d = new Date( document.getElementById('InsertRecorddate').value );
d.setMonth( d.getMonth( ) + 1 );
 document.getElementById('InsertRecorddate2').value = ( d.getMonth( ) + 1 ) + '/' + d.getDate( ) + '/' + d.getFullYear( );

Replace InsertRecorddate with the ID of the Date field and InsertRecorddate2 by the ID of the field where you want to save the new date.

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