JQuery dropdown değeri onchange olayı nasıl elde edilir

İki jQuery UI Açılır Otomatik Tamamlama komut dosyası ekledim. Şimdi hem ikinci açılır listenin değişiminde değer elde etmek hem de değişkende ayrı ayrı saklamak istiyorum. Nasıl mümkün olur?

Herhangi bir fikir veya öneriniz var mı? Teşekkürler.

My Fiddle: Örnek

JS Kodum:

(function($) {
            $.widget("ui.combobox", {
                _create: function() {
                    var self = this,
                    select = this.element.hide(),
                    selected = select.children(":selected"),
                    value = selected.val() ? selected.text() : "";
                    var input = this.input = $("<input>").insertAfter(select).val(value).autocomplete({
                        delay: 0,
                        minLength: 0,
                        source: function(request, response) {
                            var matcher = new RegExp($.ui.autocomplete.escapeRegex(request.term), "i");
                            response(select.children("option").map(function() {
                                var text = $(this).text();
                                if (this.value && (!request.term || matcher.test(text)))
                                    return {
                                    label: text.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + $.ui.autocomplete.escapeRegex(request.term) + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>"),
                                    value: text,
                                    option: this
                                };
                            }));
                        },
                        select: function(event, ui) {
                            ui.item.option.selected = true;
                            self._trigger("selected", event, {
                                item: ui.item.option
                            });
                            select.trigger("change");
                        },
                        change: function(event, ui) {
                            if (!ui.item) {
                                var matcher = new RegExp("^" + $.ui.autocomplete.escapeRegex($(this).val()) + "$", "i"),
                                valid = false;
                                select.children("option").each(function() {
                                    if ($(this).text().match(matcher)) {
                                        this.selected = valid = true;
                                        return false;
                                    }
                                });
                                if (!valid) {
                                    // remove invalid value, as it didn't match anything
                                    $(this).val("");
                                    select.val("");
                                    input.data("autocomplete").term = "";
                                    return false;
                                }
                            }
                        }
                    }).addClass("ui-widget ui-widget-content ui-corner-left");

                    input.data("autocomplete")._renderItem = function(ul, item) {
                        return $("<li></li>").data("item.autocomplete", item).append("<a>" + item.label + "</a>").appendTo(ul);
                    };

                    this.button = $("<button type='button'>&nbsp;</button>").attr("tabIndex", -1).attr("title", "Show All Items").insertAfter(input).button({
                        icons: {
                            primary: "ui-icon-triangle-1-s"
                        },
                        text: false
                    }).removeClass("ui-corner-all").addClass("ui-corner-right ui-button-icon").click(function() {
                        // close if already visible
                        if (input.autocomplete("widget").is(":visible")) {
                            input.autocomplete("close");
                            return;
                        }

                        // pass empty string as value to search for, displaying all results
                        input.autocomplete("search", "");
                        input.focus();
                    });
                },

                destroy: function() {
                    this.input.remove();
                    this.button.remove();
                    this.element.show();
                    $.Widget.prototype.destroy.call(this);
                }
            });
        })(jQuery);

        $(function() {
            /*start point value*/
            $("#pick").combobox({
                change: function() {
                    alert("changed");
                }
            });
            $("#toggle").click(function() {
                $("#pick").toggle();
            });
            $("#pick").change(function() {
                var start = this.value;
            });

            /*end point value*/
            $("#drop").combobox({
                change: function() {
                    alert("changed");
                }
            });
            $("#toggle").click(function() {
                $("#drop").toggle();
            });
            $("#drop").change(function() {
                var end = this.value;
            });
        });

HTML Kodum:

<div class="ui-widget">
        <select id="pick">
            <option value="">Select one...</option>
            <option value="1">1</option>
            <option value="2">2</option>
            <option value="3">3</option>
            <option value="4">4</option>
        </select>

        <select id="drop">
            <option value="">Select one...</option>
            <option value="11">11</option>
            <option value="12">12</option>
            <option value="13">13</option>
            <option value="14">14</option>
        </select>
    </div>

Böyle dene

 $("#drop").change(function () {
        var end = this.value;
        var firstDropVal = $('#pick').val();
    });

$('#drop').change(
    function() {
        var val1 = $('#pick option:selected').val();
        var val2 = $('#drop option:selected').val();

        // Do something with val1 and val2 ...
    }
);

Aşağıdakiler gibi basit bir açılır menünüz varsa:

<select name="status" id="status">
    <option value="1">Active</option>
    <option value="0">Inactive</option>
</select>

Daha sonra değer elde etmek için bu kodu kullanabilirsiniz:

$(function(){

 $("#status").change(function(){
     var status = this.value;
     alert(status);
   if(status=="1")
     $("#icon_class, #background_class").hide();// hide multiple sections
  });

});

Ekle bu kodu dene .. Çalışıyor grt .......

<body>
<?php
	if (isset($_POST['nav'])) {
		 header("Location: $_POST[nav]");
	}
?>
<form id="page-changer" action="" method="post">
    <select name="nav">
        <option value="">Go to page...</option>
        <option value="http://css-tricks.com/">CSS-Tricks</option>
        <option value="http://digwp.com/">Digging Into WordPress</option>
        <option value="http://quotesondesign.com/">Quotes on Design</option>
    </select>
    <input type="submit" value="Go" id="submit" />
</form>
</body>
</html>

<html>
<head>
<script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>
<script>
$(function() {

    $("#submit").hide();

    $("#page-changer select").change(function() {
        window.location = $("#page-changer select option:selected").val();
    })

});
</script>
</head>