[PDF] javascript tome Date et new Date()

What is a new date in JavaScript?

new Date ( year, month, ...) new Date ( year, month, ...) creates a date object with a specified date and time. January = 0. December = 11. You cannot omit month. If you supply only one parameter it will be treated as milliseconds. JavaScript stores dates as number of milliseconds since January 01, 1970. Zero time is January 01, 1970 00:00:00 UTC.

What are date methods in JavaScript?

Date methods allow you to get and set the year, month, day, hour, minute, second, and millisecond of date objects, using either local time or UTC (universal, or GMT) time. Date methods and time zones are covered in the next chapters. JavaScript will (by default) output dates using the toString () method.

How to output a date in JavaScript?

JavaScript will (by default) output dates using the toString () method. This is a string representation of the date, including the time zone. The format is specified in the ECMAScript specification: When you display a date object in HTML, it is automatically converted to a string, with the toString () method.

What is the difference between New date and gettime?

new Date () just uses Date 's implicit conversion to number, which is the same as getTime (). Date.now () gives you the timestamp right now. Date.getTime () gives you the timestamp of a date object that may represent a moment in the past or future.