JavaScript Date Objects
➢By default, JavaScript will use the browser's time zone and display a date as a full text string.
➢There are 4 ways to create a new date object:
➢There are 4 ways to create a new date object:
new Date()
➢new Date() creates a new date object with the current date and time:
EXAMPLE:
const d = new Date();
new Date(year, month, ...)
➢new Date(year, month, ...) creates a new date object with a specified date and time.
➢7 numbers specify year, month, day, hour, minute, second, and millisecond (in that order):
➢7 numbers specify year, month, day, hour, minute, second, and millisecond (in that order):
EXAMPLE:
const d = new Date(2022, 09, 12, 12, 29, 99, 0);
➢6 numbers specify year, month, day, hour, minute, second:
EXAMPLE:
const d = new Date(2022, 09, 12, 12, 29, 99);
➢5 numbers specify year, month, day, hour, and minute:
EXAMPLE:
const d = new Date(2022, 09, 12, 12, 29);
➢4 numbers specify year, month, day, and hour:
EXAMPLE:
const d = new Date(2022, 09, 12, 12);
➢3 numbers specify year, month, and day:
EXAMPLE:
const d = new Date(2022, 09, 12);
➢2 numbers specify year and month:
EXAMPLE:
const d = new Date(2022, 09);
➢You cannot omit month. If you supply only one parameter it will be treated as milliseconds.
EXAMPLE:
const d = new Date(2022);
Previous Century
➢One and two digit years will be interpreted as 19xx:
EXAMPLE:
const d = new Date new Date(99, 11, 24);
new Date(dateString)
➢new Date(dateString) creates a new date object from a date string:
EXAMPLE:
const d = new Date new Date("September 12, 2022 12:30:00");
new Date(milliseconds)
➢new Date(milliseconds) creates a new date object as zero time plus milliseconds:
EXAMPLE:
const d = new Date new Date(0);
