setMonthbeginnerconst d = new Date(2024, 0, 15)
d.setMonth(5)
d.getMonth() // β 5 (June)Use setMonth() to mutate the month (0-indexed) of a Date object in place and get back the updated timestamp.
The Date object is modified in place by setMonth().
Challenge: Verify that the month changes from 0 to 5 after calling setMonth(5).