javascript - How do I embed an Ember.js app in other sites without an iframe -

i'm looking embed ember app various sites using javascript snippet. have widget loads posts api , want able load app container div. i've researched of answers similar questions on here, , can gleen basics of changing rootelement , location ember docs say. can't find clear on javascript load ember app on page, or init stuff need in ember app itself.

we had similar working straight javascript this:

<script type="text/javascript" src="http://mywidget.com/javascripts/mywidget.js" charset="utf-8"></script> <script type="text/javascript" >     var script = document.createelement('script');     script.src = "http://mywidget.com/messages/list.jsonp?callback=mywidgetparsemessages&domain=" + window.location.hostname + "&relative_url=" + window.location.pathname;     document.body.appendchild(script); </script> 

i'm ember n00b here, direction appreciated.