페이지 환경을 확장하는 프레임워크.

<div class="scale-image-window">
  <amp-img id="animatedImage" width="450" height="300" layout="responsive" src="/static/samples/img/elephant.jpg"
    alt="Picture of an elephant"></amp-img>
</div>
<button on="tap:scaleUpAnimation.restart" class="ap-button anim-button">Click to scale up the image'</button>
<amp-animation id="scaleUpAnimation" layout="nodisplay">
  <script type="application/json">
    {
      "duration": "0.5s",
      "fill": "both",
      "direction": "normal",
      "animations": [
        {
          "selector": "#animatedImage",

          "keyframes": [
            { "transform": "scale(1)" },
            { "transform": "scale(1.2)" },
            { "transform": "scale(1)" }
          ]
        }
      ]
    }
  </script>
</amp-animation>

<amp-accordion disable-session-states>
  <section expanded>
    <h2>Section 1</h2>
    <p>Content in section 1.</p>
  </section>
  <section>
    <h2>Section 2</h2>
    <p>Content in section 2.</p>
  </section>
  <section>
    <h2>Section 3</h2>
    <p>Content in section 3.</p>
  </section>
</amp-accordion>

<amp-autocomplete filter="substring" id="myAutocomplete">
  <p>Search for</p>
  <form class="sample-form" method="post" action-xhr="https://amp.dev/documentation/examples/api/echo" target="_top">
    <amp-autocomplete filter="substring" src="/static/samples/json/amp-autocomplete-cities.json">
      <input>
    </amp-autocomplete>
  </form>
</amp-autocomplete>