Ombi/PlexRequests.UI/Views/Login/ChangePassword.cshtml

<form method="POST" id="mainForm">
    <br />
    Old Password <input class="form-control form-control-custom" name="OldPassword" type="password" /><br />
    New Password <input class="form-control form-control-custom" name="NewPassword" type="password" /><br />
    New Password again <input class="form-control form-control-custom" name="NewPasswordAgain" type="password" />
    <br />
   <br />
    <input class="btn btn-success-outline" id="save" type="submit" value="Change Password" />
</form>

<script>
    $(function () {

        $('#save').click(function (e) {
            e.preventDefault();

            var $form = $("#mainForm");
            $.ajax({
                type: $form.prop("method"),
                data: $form.serialize(),
                url: $form.prop("action"),
                dataType: "json",
                success: function (response) {
                    if (response.result === true) {
                        generateNotify(response.message, "success");
                    } else {
                        generateNotify(response.message, "warning");
                    }
                },
                error: function (e) {
                    console.log(e);
                    generateNotify("Something went wrong!", "danger");
                }
            });
        });
    });
</script>