HTML CODE
<input name="leaveFrom" id="leaveFrom" type="text" data-role="datebox" data-options='{"mode":"calbox","afterToday":"true","overrideDateFormat": "%d-%m-%Y"}' />
JS Code
i have tried following options
1.
var weekEndArray = [0, 6];
$('#leaveFrom').datebox({ "blackDays": weekEndArray });
2.
var weekEndArray = [0, 6];
$("#leaveFrom").data("option", {"blackDays": weekEndArray});
3.
var weekEndArray = [0, 6];
$("#leaveFrom").data('datebox').options.blackDays = weekEndArray ;
also
alert($("#leaveFrom").data('datebox')); alerts as undefined