The JavaScript date setDay() method sets the particular day of the week on the basis of local time.
Syntax:
dateObj.setDay(new_Day);
Example:
<!DOCTYPE html>
<html>
<body>
<script>
var date =new Date("May 11, 2019 21:00:10");
document.writeln(date.getDate() + "<br>");
date.setDate(23);
document.writeln(date.getDate());
</script>
</body>
</html>
