const isWeekday = (date) => date.getDay() % 6 !== 0; console.log(isWeekday(new Date(2021, 0, 11))); // Result: true (Monday) console.log(isWeekday(new Date(2021, 0, 10))); // Result: false (Sunday)
const isWeekday = (date) => date.getDay() % 6 !== 0; console.log(isWeekday(new Date(2021, 0, 11))); // Result: true (Monday) console.log(isWeekday(new Date(2021, 0, 10))); // Result: false (Sunday)