JS in the operation of time

var mydate = new Date ();
Mydate.getyear ();       //Get Current year (2-bit)
Mydate.getfullyear ();    //Get the full year (4-bit, 1970-????)
Mydate.getmonth ();      //Get the current month (0-11, 0 for January)
Mydate.getdate ();        //Get current day (1-31)
Mydate.getday ();         //Get Current week x (0-6, 0 for Sunday)
Mydate.gettime ();       //Get Current time ( Number of milliseconds since 1970.1.1)
Mydate.gethours ();      //Get current hours (0-23)
Mydate.getminutes ();    //Gets the current number of minutes (0-59)
Mydate.getseconds ();    //Gets the current number of seconds (0-59)
Mydate.getmilliseconds ();   //Gets the current number of milliseconds (0-999)
mydate.tolocaledatestring ();     //Get current date
var mytime=mydate.tolocaletimestring ();    //Get current time
Mydate.tolocalestring ();       //Get date and time

Date Time Script Library method list

Date. Prototype.isleapyear Judging leap years
Date.prototype.Format date Formatting
DATE.PROTOTYPE.DATEADD Date Calculation
Date.prototype.DateDiff Comparison Date Difference
Date.prototype.toString Date to String
Date.prototype.toArray date split into arrays
Date.prototype.DatePart Partial information of the date taken
Date.prototype.MaxDayOfDate the maximum number of days in the month in which the date is taken
Date.prototype.WeekNumOfYear the week of the year in which the date is judged
Stringtodate String to date type
Isvaliddate Verifying date Validity
Checkdatetime Full date and time check
Daysbetween Date Days Difference

Definition and usage

The SetDate () method is used to set up a day for one months.

Grammar

Dateobject.setdate (Day)

Parameters	Description
Day	Necessary. A numeric value representing the day of the one month (1 ~ 31).

return value

The millisecond representation of the adjusted date. The method does not return anything until the ECMAScript is normalized.

Tips and Comments:

Note: This method is always used in conjunction with a Date object.

Instance

In this example, we will use the SetDate () method to set the day of the current month to 15:

<script type= "Text/javascript" >var d = new Date () d.setdate (All) document.write (d) </script>

Output:

Sun Feb 15:11:15 gmt+0800

JS in the operation of time