JavaScript method getYear() that returns a two- or four-digit number representing the year-JS Tutorial-php.cn

JavaScript method getYear() that returns a two- or four-digit number representing the year

黄舟

Release： 2017-11-06 09:56:37

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Definition and usage

getYear() method can return a two- or four-digit number representing the year.

Syntax

dateObject.getYear()

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Return value

Returns the year field of the Date object.

Tips and Notes:

Note: The value returned by getYear() is not always a 4-digit number! For years between 1900 and 1999, the getYear() method returns only two digits. For years before 1900 or after 1999, 4 digits are returned!

Note: This method is always used in conjunction with a Date object.

Important: Starting from ECMAScript v3, JavaScript implementations no longer use this method and use the getFullYear() method instead!

Example

Example 1

In this example, we will get the current year and output it:

<script type="text/javascript">

var d = new Date()
document.write(d.getYear())

</script>

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Output:

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Example 2

In this example, we will extract the year from a specific date:

<script type="text/javascript">

var born = new Date("July 21, 1983 01:15:00")
document.write("I was born in " + born.getYear())

</script>

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Output:

I was born in 83

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The value returned by getYear is the current Subtracts 1900 from the year (in JavaScript 1.2) and returns the year which is either a 2 or 4 digit year, for example if the year is 2026, the returned value is 2026 so before testing this function make sure JavaScript version.

Date.getYear()

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Returns the year of the specified date according to universal time.

Example:

<html>
<head>
<title>JavaScript getYear Method</title>
</head>
<body>
<script type="text/javascript">
  var dt = new Date();
  document.write("getYear() : " + dt.getYear() ); 
</script>
</body>
</html>

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This will produce the following results for 2012:

getYear() : 212

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