JavaScript toISOString()
The JavaScript date toISOString() method is used to get the date in the form ISO format string. Syntax: dateObj.toISOString(); Return: ISO format string representation of the date portion of a Date object. Example: <!DOCTYPE html> <html> <body> <script> var bday=new Date(“November 16, 1994 21:10:10”); document.writeln(bday.toISOString()); </script> </body> </html>