A number. If the Date object represents a valid date, an integer between 0 and 59, representing the seconds in the given date according to universal time. Otherwise, NaN if the Date object doesn't represent a valid date.

The following example assigns the seconds portion of the current time to the variable seconds.

const today = new Date();
const seconds = today.getUTCSeconds();

• Date.prototype.getSeconds()
• Date.prototype.setUTCSeconds()