Description Sorts array Syntax const months = ['March', 'Jan', 'Feb', 'Dec']; months.sort(); console.log(months); // ["Dec", "Feb", "Jan", "March"] const array1 = [1, 30, 4, 21, 100000]; array1.sort(); console.log(array1); // [1, 100000, 21, 30, 4] Changes .sort() is guaranteed to be stable