JavaScript Date getUTCDay()

The JavaScript date getUTCDay() method is used to get the integer value between 0 and 6 that represents the day of the week based on the universal time.

Syntax:

dateObj.getUTCDay()

Return:
An integer value between 0 and 6.

Example:

<!DOCTYPE html>
<html>
<body>
<script>
var a = [100,40,678,435,890];
var greatest = Math.max.apply(null, a);
document.writeln(greatest);
</script>
</body>
</html>