firstDayInWeek

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A function which returns the first date of the current week.

ts

firstDayInWeek(new Date(2016, 0, 15)); // 2016-01-10
firstDayInWeek(new Date(2016, 0, 15), Day.Monday); // 2016-01-11

Parameters

date

Date

The initial date.

weekStartDay

Day

[default: Day.Sunday] - The first day of the week.

Returns

Date

- The first date of the current week.