Date setFullYear() Method - Javascript Date

Javascript examples for Date:setFullYear

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Description

The setFullYear() method sets the year in four digits for dates between year 1000 and 9999.

Syntax 

date.setFullYear(year, month, day)

Parameter Values

Parameter Description
year Required. A value representing the year, negative values are allowed
month Optional. An integer representing the month
day Optional. An integer representing the day of month

month expected values are 0-11, but other values are allowed:

  • -1 sets the last month of the previous year
  • 12 sets the first month of the next year
  • 13 sets the second month of the next year

day expected values are 1-31, but other values are allowed:

  • 0 sets the last day of the previous month
  • -1 sets the day before the last day of the previous month
  • If the month has 31 days, 32 sets the first day of the next month
  • If the month has 30 days, 32 sets the second day of the next month

Return Value:

A Number, representing the number of milliseconds between the date object and midnight January 1 1970

The following code shows how to Set the year to 2020:

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<body>

<button onclick="myFunction()">Test</button>

<p id="demo"></p>

<script>
function myFunction() {//  ww  w  . j  a va2  s .  c  o m
    var d = new Date();
    d.setFullYear(d.getFullYear(), d.getMonth() - 6);
    document.getElementById("demo").innerHTML = d;
}
</script>

</body>
</html>

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