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| function getWeekDay(date) { | |
| const weekDays = ['SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA']; | |
| return weekDays[date.getDay()]; | |
| } | |
| const date = new Date(2014, 0, 3); | |
| console.log( getWeekDay(date) ); |