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JavaScript setFullYear Function

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JavaScript setFullYear function is one of the Date Function, which is used to set the Year, Month, Day of a given date as per local time. In this article, we will show you, How to use Set Full Year in JavaScript Programming with an example.

Syntax of setFullYear

The basic syntax for this setFullYear function is:

 Date.setFullYear(Year, Month_Number, Day_Number)

Here, Month Number and Day Number arguments are optional.

JavaScript setFullYear Function Example

The following example helps you understand the JavaScript set Full Year Function. Here, we are using setFullYear to set the current year to 2014.

<!DOCTYPE html>
<html>
<head>
    <title> JavaScript Set Full Year Functions </title>
</head>
<body>
    <h1> JavaScript setFullYear Function Example </h1>
<script>
  var dt = Date();  
  document.write("Date and Time : " + dt + "<br/>");

  dt.setFullYear(2014);
  document.write("After setFullYear() : " + dt);
</script>
</body>
</html>

OUTPUT

JavaScript setFullYear Function 1

JavaScript set Full Year Function Example 2

In this JavaScript setFullYear example, we set the Full Year of a custom date to 2014, and Month to December.

<!DOCTYPE html>
<html>
<head>
    <title> JavaScript Set Full Year Functions </title>
</head>
<body>
    <h1> JavaScript setFullYear Function Example </h1>
<script>
  var dt = Date("January 1, 2017 10:11:22");
  document.write("Date and Time : " + dt + "<br/>");

  dt.setFullYear(2014, 11);
  document.write("After setFullYear() : " + dt);
</script>
</body>
</html>

OUTPUT

JavaScript setFullYear Function 2

JavaScript set Full Year Function Example 3

In this JavaScript setFullYear example, we set the Year to 2014, Month to December, and Day to 31

<!DOCTYPE html>
<html>
<head>
    <title> JavaScript Set Full Year Functions </title>
</head>
<body>
    <h1> JavaScript setFullYear Function Example </h1>
<script>
  var dt = Date("January 1, 2017 10:11:22");
  document.write("Date and Time : " + dt + "<br/>");

  dt.setFullYear(2014, 11, 31);
  document.write("After setFullYear() : " + dt);
</script>
</body>
</html>

OUTPUT

JavaScript setFullYear Function 3