Binding example

ajax-text.html

<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="../core-ajax/core-ajax.html">
<dom-module id="x-ajax-text">
  <!-- We bind the core-ajax `lastResponse` to the `content` property. This
       property is not actually published by `x-ajax-text`, but because it is
       specified in the template it will be bindable elsewhere in the template -->
  <core-ajax id="ajax" url="./content.txt" last-response="{{content}}" auto></core-ajax>
  
  <!-- Here we bind `content` in another place, which will be effectively
       equivalent to binding `this.$.ajax.lastResponse`. -->
  <p>[[content]]</p>
</dom-module>
<script>
  Polymer({
    is: 'x-ajax-text'
  });
</script>