function getSetWeekYear (input) {
        var year = weekOfYear(this, this.localeData()._week.dow, this.localeData()._week.doy).year;
        return input == null ? year : this.add((input - year), 'y');
    }
function getSetWeekYear (input) {
        var year = weekOfYear(this, this.localeData()._week.dow, this.localeData()._week.doy).year;
        return input == null ? year : this.add((input - year), 'y');
    }
function getSetWeekYear ( input ) { var year = weekOfYear ( this , this . localeData ( ) . _week . dow , this . localeData ( ) . _week . doy ) . year ; return input == null ? year : this . add ( ( input - year ) , 'y' ) ; }
MOMENTS
MOMENTS