dijit/registry.findWidgets

HTML

<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/dojo/1.10.4/dojo/resources/dojo.css">
<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/dojo/1.10.4/dijit/themes/tundra/tundra.css">
<body class="tundra">
    <div id="container">
        <input data-dojo-type="dijit/form/NumberTextBox"></input>
    </div>
    <div id="empty"></div>
</body>

JavaScript

require([
    'dijit/registry',
    'dojo/dom',
    'dojo/parser',
    'dijit/form/NumberTextBox',
    'dijit/registry',
    'dojo/domReady!'
], function(registry, dom, parser) {
    parser.parse();
    
    console.log(registry.findWidgets(formNode));
    console.log(registry.findWidgets(dom.byId('container')));
    
    console.log(registry.findWidgets(dom.byId('empty')));
});