parsebeginnerDate.parse('2024-01-15T00:00:00.000Z') // β 1705276800000
Date.parse('invalid') // β NaNUse Date.parse() to convert a date string into a millisecond timestamp, or detect invalid strings by checking for NaN.
Any date string after the epoch returns a positive number.
Challenge: Verify that Date.parse('2024-01-15') returns a number greater than 0.