JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/dojo/1.8.1/dojo/resources/dojo.css">
<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/dojo/1.8.1/dijit/themes/claro/claro.css">
<div id="navToolbar" data-dojo-type="dijit/Toolbar">
            <div data-dojo-type="dijit/form/DropDownButton" data-dojo-props="iconClass:'dijitEditorIcon dijitEditorIconBold', showLabel:false">
                <div data-dojo-type="dijit/DropDownMenu">
                    <div data-dojo-type="dijit/MenuItem">
                        test1
                    </div>
                    <div data-dojo-type="dijit/MenuItem">
                        test2
                    </div>
                </div>
            </div>
                <div data-dojo-type="dijit/form/DropDownButton" data-dojo-props="iconClass:'dijitEditorIcon dijitEditorIconItalic', showLabel:false">
                <div data-dojo-type="dijit/DropDownMenu">
                    <div id="d1MenuItem" data-dojo-type="dijit/MenuItem">
                        Show dialog 1
                    </div>
                    <div id="d2MenuItem" data-dojo-type="dijit/MenuItem">
                        Show dialog 2
                    </div>
                </div>
            </div>
</div>
<div id="dialog1" data-dojo-type="dijit/Dialog" title="Dialog 1" class="nonModal" autofocus=false>
    <div>Test</div>
</div>
<div id="dialog2" data-dojo-type="dijit/Dialog" title="Dialog 2" class="nonModal" autofocus=false>
    <div>Test</div>
</div>

CSS

.nonModal {
    }

    .nonModal_underlay {
        display:none
    }

JavaScript

//Show both dialogs under "I"
//Click on "I" again
//Flickering results

require(["dojo/parser", "dijit/registry", "dojo/ready"], function(parser, registry, ready) {
    ready(function(){
        registry.byId("d1MenuItem").on("click", function(){;
        		
            registry.byId("dialog1").show();
        });
        registry.byId("d2MenuItem").on("click", function(){;
            
            registry.byId("dialog2").show();
        });
    });

});