The getDate() method of Date instances returns the day of the month for this date according to local time.
Syntax
getDate()
Parameters
None.
Return value
An integer, between 1 and 31, representing the day of the month for the given date according to local time. Returns NaN if the date is invalid.
Examples
Using getDate()
The day variable has value 25, based on the value of the Date object xmas95.
const xmas95 = new Date("1995-12-25T23:15:30");
const day = xmas95.getDate();
console.log(day); // 25