A number. If the Date object represents a valid date, an integer representing the year in the given date according to universal time. Otherwise, NaN if the Date object doesn't represent a valid date.

The value returned by getUTCFullYear() is an absolute number that is compliant with year-2000, for example, 1995.

The following example assigns the four-digit value of the current year to the variable year.

const today = new Date();
const year = today.getUTCFullYear();

• Date.prototype.getFullYear()
• Date.prototype.setFullYear()