代码示例:(标识:eg_js_date_getfullyear)
<!DOCTYPE html>
<html>
<body>

<h2>JavaScript getFullYear()</h2>

<p>getFullYear() 方法返回日期的完整年:</p>

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

<script>
var d = new Date();
document.getElementById("demo").innerHTML = d.getFullYear();
</script>

</body>
</html>
运行结果: