I am using this CDN repo: https://github.com/download/polymer-cdn to import Polymer's Iron-Selector into my HTML page, other elements import sucessfully but Iron-Selector component does not. No error message is shown at the console either. Here's my code:
<html>
<head>
<title>iron-selector</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<base href="https://cdn.rawgit.com/download/polymer-cdn/1.5.0/lib/">
<script src="webcomponentsjs/webcomponents-lite.min.js"></script>
<link rel="import" href="iron-icon/iron-icon.html">
<link rel="import" href="iron-icons/iron-icons.html">
<link rel="import" href="iron-selector/iron-selector.html">
<link rel="import" href="paper-button/paper-button.html">
<body >
<iron-selector selected="0">
<div>Item 1</div>
<div>Item 2</div>
<div>Item 3</div>
</iron-selector>
<div>
<paper-button raised><iron-icon icon="check"></iron-icon>OK</paper-button>
<paper-button raised><iron-icon icon="clear"></iron-icon>Cancel</paper-button>
</div>
</body>
</html>
All components are displayed except iron-selector component, any clues why?