JS time and the number of milliseconds to convert each other

"1" JS millisecond time converted to datetime var oldtime = (new Date ("2017/04/25 19:44:11")). GetTime ();    Get the number of milliseconds//not the time of the above format needs to be converted//starttime = ' 2017-04-25 19:44:24 ';   StartTime = Starttime.replace (New RegExp ("-", "GM"), "/"); When you use the RegExp object to retrieve a string, the character "-" var Starttimehaomiao = (new Date (starttime)) is searched. GetTime (); Get the number of milliseconds "2" milliseconds converted to time var oldtime = (New Date ("2017/04/25 19:44:11")). GetTime (); Get the number of milliseconds var newtime = new Date (oldtime); You get the usual time.

JS time and the number of milliseconds to convert each other (turn)