JSFiddle - React, Tailwind, and code Playground

HTML

Please select date: <input type="text" id="datepicker" />

JavaScript

invalidMonths = [4,5,6,11,12];

function noInvalidMonths(date) {
  if(jQuery.inArray(date.getMonth()+1, invalidMonths)>-1){
    return [false, '']
  }
  return [true, ''];
}
function noWeekendsOrInvalidMonths(date) {
    var noWeekend = $.datepicker.noWeekends(date);
    if (noWeekend[0]) {
        return noInvalidMonths(date);
    } else {
        return noWeekend;
    }
}
$(document).ready(function() {
   $("#datepicker").datepicker({
       minDate: 0,
       maxDate: null,
       dateFormat: 'MM dd, yy',
       beforeShowDay: noWeekendsOrInvalidMonths
      });
});