designer

designer.html

<link rel="import" href="../bower_components/polymer/polymer.html">
<link rel="import" href="../bower_components/core-ajax/core-ajax.html">

<polymer-element name="test-element" attributes="q">
    <template>
        <core-ajax auto url="http://gdata.youtube.com/feeds/api/videos/"
            params='{"alt":"json", "q":"{{q}}"}'
            handleAs="json" response="{{response}}"></core-ajax>
        <template repeat="{{response.feed.entry}}">
            <div>{{title.$t}}</div>
        </template>
    </template>

    <script>
    Polymer({
        response: null,
    });
    </script>
</polymer-element>
<test-element q="chrome"></test-element>