JAVASCRIPT

jquery get date from datepicker

var jsDate = $('#your_datepicker_id').datepicker('getDate');
if (jsDate !== null) { // if any date selected in datepicker
    jsDate instanceof Date; // -> true
    jsDate.getDate();
    jsDate.getMonth();
    jsDate.getFullYear();
}

get date from datepicker

var d = $('div#someID').datepicker('getDate');