How to use setFullYear in JavaScript

Posted in JavaScript | JavaScript Objects on August 06, 2019

In this article, I will explain use of setFullYear() method in JavaScript date object.

JavaScript setFullYear() method

setFullYear() method sets the year of the date a given date according to local time.
setFullYear() method can also be used to set the month and day of month.

Syntax

Date.setFullYear(yearValue,monthValue,dayValue)

yearValue : A four-digit value representation the year. An integer specifying the numeric value of the year, for example, 2012.
monthValue : monthValue is the optional parameter. An integer between 0 and 11 representing the months January through December.
dayValue : dayValue is the optional parameter. An integer between 1 and 31 representing the day of the month. If you given the dayValue parameter, you must also given the monthValue.

Example

In the following example show to setFullYear() method set the date to six months ago.

<!DOCTYPE html>

<html>

<body>

<h3 style="color:Teal ">JavaScript setFullYear() Method Example</h3>

<p id="demo">Click for display the date six months ago.</p>

<button onclick="myFunction()">Click On</button>

function myFunction() {

var d = new Date();

d.setFullYear(d.getFullYear(), d.getMonth() - 6);

var x = document.getElementById("demo");

x.innerHTML ="Six Months Ago Date is : "+ d;

}

</script>

</body>

</html>

Output1

Output2

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