How to caluculate duration between dates, I want current date (start) to pick automatically and validation(end) date for 2 years should be dispalyed

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I want current date (start date) to pick automatically and validation date(end date) is displayed for 2 year and it should display the remaining days in validation column

What I have tried:

HTML

<!DOCTYPE html>

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HTML

<p id="demo"></p>
function myFunction() {
    var currentDate = new Date();
    var Year = currentDate.getFullYear();
    var day = currentDate.getDate();
    var month = currentDate.getMonth();
    var newYear=new Date(Year+1,month,day)
    document.getElementById("demo").innerHTML = newYear;
}

Posted 10-Jan-17 19:27pm

Member 12944301

Updated 11-Jan-17 0:05am

v5

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Comments

Member 12944301 11-Jan-17 1:28am

plz help me out

Suvendu Shekhar Giri 11-Jan-17 1:39am

Not clear. The question asked and the code shared doesn't resemble. Please explain a bit more about your exact requirement.

Member 12944301 11-Jan-17 3:14am

the above code is printing today's date but i want validity also to print with that.

Member 12944301 11-Jan-17 3:14am

am working on progress report project. i want today's date to pick automatically for registration column and validation for 2 year how to print that in javascript.

Peter Leow 11-Jan-17 1:54am

What do you means" current date (start date) to pick automatically". who pick the current date?

Member 12944301 11-Jan-17 3:11am

am working on progress report project. i want today's date to pick automatically for registration column and validation for 2 year how to print that in javascript

Member 12944301 11-Jan-17 3:13am

the above code is printing today's date but i want validity also to print with that.

Peter Leow 11-Jan-17 3:45am

Read my solution.

1 solution

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Peter Leow · Answer 1 · 2017-01-10T20:14:00

Solution 1

Whatever it is, once you learn of how date time derived in JavaScript from How to add hour and minute in javascript[^], the solution is just some arithmetical calculations away.

Posted 10-Jan-17 20:14pm

Peter Leow