Representing dates & times — Methods of the Date object
The Date object methods for handling dates and times fall into these broad categories "set" methods, for setting date and time values in Date objects.
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The Date object methods for handling dates and times fall into these broad categories
"set" methods, for setting date and time values in Date objects. "get" methods, for getting date and time values from Date objects. "to" methods, for returning string values from Date objects. parse and UTC methods, for parsing Date strings.
With the "get" and "set" methods you can get and set seconds, minutes, hours, day of the month, day of the week, months, and years separately. There is a getDay method that returns the day of the week, but no corresponding setDay method, because the day of the week is set automatically. These methods use integers to represent these values as follows
Seconds and minutes: 0 to 59 Hours: 0 to 23 Day: 0 (Sunday) to 6 (Saturday) Date: 1 to 31 (day of the month) Months: 0 (January) to 11 (December) Year: years since 1900
For example, suppose you define the following date
Then xmas95.getMonth() returns 11, and xmas95.getFullYear() returns 1995.
The getTime and setTime methods are useful for comparing dates. The getTime method returns the number of milliseconds since the epoch for a Date object.
For example, the following code displays the number of days left in the current year
This example creates a Date object named today that contains today's date. It then creates a Date object named endYear and sets the year to the current year. Then, using the number of milliseconds per day, it computes the number of days between today and endYear, using getTime and rounding to a whole number of days.
The parse method is useful for assigning values from date strings to existing Date objects. For example, the following code uses parse and setTime to assign a date value to the ipoDate object
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