adssdada

$(document).ready(function () {
    var courseID=$("#course").val();
    console.log(courseID);
    $("#course").on("change", function () {
        courseID = $('#course').find(":selected").attr("value")

        $.ajax({
            method: "GET",
            data: {
                coursesId: courseID
            }
        }).done(function (response) {

        });
        console.log(courseID);
    });

});