JavaScript Class
The Date object
The Date object is used to work with dates and times. More specifically, the Date object allows you to work programatically/logically with dates and times.
Just like with an Array, you create an instance of the Date object with the "new" keyword.
To store the current date in a variable called "my_date":
After creating an instance of the Date object, you can access all the methods of the object from the "my_date" variable. If, for example, you want to return the date (from 1-31) of a Date object, you should write the following:
You can also write a date inside the parentheses of the Date() object, if you want:
Examples:
The Date object's methods are described below:
NN: Netscape, IE: Internet Explorer, ECMA: Web Standard
| Methods | Explanation | NN | IE | ECMA |
|---|---|---|---|---|
| Date() | Returns a Date object | 2.0 | 3.0 | 1.0 |
| getDate() | Returns the date of a Date object (from 1-31) | 2.0 | 3.0 | 1.0 |
| getDay() | Returns the day of a Date object (from 0-6. 0=Sunday, 1=Monday, etc.) | 2.0 | 3.0 | 1.0 |
| getMonth() | Returns the month of a Date object (from 0-11. 0=January, 1=February, etc.) | 2.0 | 3.0 | 1.0 |
| getFullYear() | Returns the year of a Date object (four digits) | 4.0 | 4.0 | 1.0 |
| getYear() | Returns the year of a Date object (from 0-99). Use getFullYear instead !! | 2.0 | 3.0 | 1.0 |
| getHours() | Returns the hour of a Date object (from 0-23) | 2.0 | 3.0 | 1.0 |
| getMinutes() | Returns the minute of a Date object (from 0-59) | 2.0 | 3.0 | 1.0 |
| getSeconds() | Returns the second of a Date object (from 0-59) | 2.0 | 3.0 | 1.0 |
| getTime() | Returns the number of milliseconds since midnight 1/1-1970 | 2.0 | 3.0 | 1.0 |
| setDate() | Sets the date of the month in the Date object (from 1-31) | 2.0 | 3.0 | 1.0 |
| setFullYear() | Sets the year in the Date object (four digits) | 4.0 | 4.0 | 1.0 |
| setHours() | Sets the hour in the Date object (from 0-23) | 2.0 | 3.0 | 1.0 |
| setMinutes() | Set the minute in the Date object (from 0-59) | 2.0 | 3.0 | 1.0 |
| setMonth() | Sets the month in the Date object (from 0-11. 0=January, 1=February) | 2.0 | 3.0 | 1.0 |
| setSeconds() | Sets the second in the Date object (from 0-59) | 2.0 | 3.0 | 1.0 |
| setYear() | Sets the year in the Date object (00-99) | 2.0 | 3.0 | 1.0 |