getWeekNumber

returns the week number of the specified date

date

Date|string

the date you want to get the week number of

number

week number

Example

var w = myCalendar.getWeekNumber(new Date(2013, 0, 1)); // w => 1
 
// or
myCalendar.setDateFormat("%Y-%m-%d");
var w = myCalendar.getWeekNumber("2013-01-11"); // t => 2

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