Question

I want to view the jquery/javascript dialog box when a perticular textbox is empty..I tried below code but doesnt work..how do I add if() function to below code?

      <script>

    $(document).ready(function () {

    $('#search_btn').click(function () {

        if ($('#form1.legacy_code_text.value') == "") { /// THIS DOESNT WORK I WANT THE CORRECT WAY FOR THIS LINE
            $("#dialog:ui-dialog").dialog("destroy");

            $("#dialog-confirm").dialog({
                resizable: false,
                height: 140,
                modal: true,
                buttons: {
                    "Ok": function () {

                        $('#form1').submit();



                        //*****************************************************************
                    },
                    Cancel: function () {
                        $(this).dialog("close");
                    }
                }


            });
        }
    });
});
        </script>

Answer 1

if( $('#legacy_code_text').val() == "" )