How to make a timer on the JSP page?

There are many such examples on the Internet. Below is an example of displaying the current time in the text box. You can call the Showtime function.

<Script language = "JavaScript">
Function Showtime (interval ){
VaR digital = new date ()
VaR hours = digital. gethours ()
VaR minutes = digital. getminutes ()
VaR seconds = digital. getseconds ()
If (hours = 0)
Hours = 12
If (minutes <= 9)
Minutes = "0" + minutes
If (seconds <= 9)
Seconds = "0" + seconds
Myclock = hours + ":" + minutes + ":" + seconds
Document. frm1.tm. value = myclock // frm1 is the form name and TM is the text box name.
Tim = setTimeout ("Showtime ()", interval) // interval is the time interval, and 1000 represents 1 second.
}
</SCRIPT>