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Javascript sort an Array of Week Days

maybe someone could explain me how to sort an array of Week Days from Monday...

export const WeekDays = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];

WeekDays.sort(
  (a, b) =>
  WeekDays.indexOf(a) - WeekDays.indexOf(b)
);

But the Result is: Wednesday, Monday, Tuesday, Friday, Wednesday... Hope some one can help.

Via Active questions tagged javascript - Stack Overflow https://ift.tt/2FdjaAW
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