Form onChange

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/dojo/1.9.0/dijit/themes/claro/claro.css">
<div id="mySelect"></div>

CSS

.claro div.dijitMenuItem.apple, .claro div.dijitMenuItem.pear {
    padding-left : 18px;
}

.claro div.dijitMenuItem.apple {
    background : url(http://icons.iconarchive.com/icons/mad-science/yellow-submarine/16/APPLE-icon.png) left no-repeat;
}
.claro div.dijitMenuItem.pear{
    background: #ddd !important;
    color: red;
}

JavaScript

require(["dojo/aspect", "dojo/_base/declare", "dojo/dom-class", "dojo/query", "dojo/_base/array", "dijit/form/FilteringSelect", "dojo/store/Memory", "dijit/registry", "dojo/domReady!"], function(aspect, declare, domClass, query, array, FilteringSelect, Memory, registry){
    window.registry = registry;
    var store = new Memory({
        data : [
            {tags: "Fruits", label : "Fruits", value : "", disabled: 'disabled'},
                { tags: "Fruits - Apples", label : "Apples", value : "apples"},
                { tags: "Fruits - Banana", label : "Fruits Banana", value : "banana"},
                { tags: "Fruits - Peach", label : "Peach", value : "peach"},
                {tags: "Animals", label : "Animals", value : ""},
                {tags: "Animals - Dog", label : "Dog", value : "dogs"},
                {tags: "Animals - Lion", label : "Lion", value : "lions"},
                {tags: "Animals - Zebra", label : "Animals Zebra", value : "zebras"}
                ]
    }),    
    select = new FilteringSelect({
        id : "myContainer",
        store : store,
        labelAttr: "label",
        queryExpr: "*${0}*",
        searchAttr : "tags",
        autoComplete: false,
        fetchProperties : {
                    sort : [ { attribute : "tags" } ] 
                }
    }, "mySelect");
    
    select.on("search", function(){
        var menuItems = query(".dijitMenuItem", select.dropDown.domNode);
        console.log("search");
        array.forEach(menuItems, function(menuItem){
            menuItem.onClick = function(){alert('false')};
                switch(menuItem.innerText){
                        
                case  "Animals" :
                        
                    domClass.add(menuItem, "apple");
                    break;
                case "Pears" :
                    domClass.add(menuItem, "pear");
                    break;
                }
        });
    });
    select.startup();
    
    console.log(select);
    
});