What is the best way to populate the combobox dojo (1.8) programmatically?

http://stackoverflow.com/questions/12360885/what-is-the-best-way-to-populate-the-combobox-dojo-1-8-programmatically

by phusick

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/dojo/1.7.3/dijit/themes/claro/claro.css">
<script src="https://cdn.rawgit.com/phusick/cdn/jsfiddle/amd-packages.js"></script>
<div class="row">
    <label for="comboBox1Placeholder">
        JsonRest:
    </label>
    <div id="comboBox1Placeholder"></div>
</div>

<div class="row">
    <label for="comboBox2Placeholder">
        Memory:
    </label>
    <div id="comboBox2Placeholder"></div>
</div>

CSS

body {
    font-family: sans-serif; 
    padding: 30px;
}

label {
    display: inline-block;
    width: 100px;
    text-align: right;
}

.row {
    margin-bottom: 4px;
}

JavaScript

require([
    "dojo/_base/declare",
    "dojo/_base/array",
    "dojo/json",
    "dojo/store/Memory",
    "dojo/store/JsonRest",
    "dijit/form/ComboBox",
    "data/dtuned",
    "http://sinonjs.org/releases/sinon-1.4.2.js",
    "dojo/domReady!"
], function(
    declare,
    array,
    JSON,
    Memory,
    JsonRest,
    ComboBox,
    data
) {
  
    /**
     * Creates a fake REST server via sinon.js
     */
    function setUpServer() {        
        var server = sinon.fakeServer.create();
        server.autoRespond = true;
        
        var allDataResponse = [
            200,
            { "Content-Type": "application/json" },
            JSON.stringify(data.items)
        ];
        
        server.respondWith("GET", "/song/", allDataResponse);
        server.respondWith("GET", "/song/?Name=*", allDataResponse);
        
        server.respondWith(/\/song\/\?Name=(.+)\*/, function(xhr, search) {
            console.log("JsonRest:", xhr.url);
            search = unescape(search);
            var response = [];
            var re = new RegExp("^" + search + "(\w*)", "i");
            response = array.filter(data.items, function(item, index) {
                return (re.exec(item.Name) !== null);         
            });
            xhr.respond(
                200, 
                { "Content-Type": "application/json" },
                JSON.stringify(response)
            );    
        });
    }
    
    setUpServer();
    
    var memoryStore = new Memory({ idProperty: "Key" });
    
    var restStore = new JsonRest({
        target: "/song/",
        idProperty: "Key"
    });
    
    var comboBox1 = new ComboBox({
        store: restStore,
        searchAttr: "Name",
        autocomplete: true,
        placeholder: "Select your favorite song."   
    }, "comboBox1Placeholder");
    
    comboBox1.startup();
    
    var comboBox2 = new ComboBox({
        store: memoryStore,
        searchAttr: "Name",
        autocomplete: true,
        placeholder:...