JavaScript Tutorial/Date/Date constructors — различия между версиями
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Текущая версия на 08:25, 26 мая 2010
Create Date object by call the constructor
Constructors:
var variable = new Date();
var variable = new Date(milliseconds1);
var variable = new Date(string)
var variable = new Date(year, month, day, hours, minutes, seconds, milliseconds2)
milliseconds1
The desired date is calculated from the number of milliseconds between midnight January 1, 1970 GMT and the desired date.
string
The desired date is calculated from the string representation. The format of the string should match the parse() method of the Date object.
year
A four digit representation of the year.
month
The month represented as an integer, where 0 represents January and 11 represents December.
day
The day of the month represented as an integer from 1 to 31. Optional argument.
hours
The hour represented as an integer where 0 represents 12 am (midnight) and 23 represents 11 pm. Optional argument.
minutes
The minutes in the hour represented as an integer from 0 to 59. Optional argument.
seconds
The seconds in the minute represented as an integer from 0 to 59. Optional argument.
milliseconds2
The milliseconds in the second represented as an integer from 0 to 999. Optional argument.
Create Date objects using various arguments in the Date() constructor
<html>
<script language="JavaScript">
<!--
//Create a new Date object using all arguments.
theDate1 = new Date(2002,9,29,20,5,8,10);
//Create a new Date object using just milliseconds.
theDate2 = new Date(theDate1.getTime());
//Create a new Date object using a string.
theDate3 = new Date(theDate1.toString());
//Display all the date objects.
document.write("theDate1-> ",theDate1.toString());
document.write("<br>theDate2-> ",theDate2.toString());
document.write("<br>theDate3-> ",theDate3.toString());
-->
</script>
</html>