designer

designer.html

<link rel="import" href="../paper-button/paper-button.html">

<polymer-element name="my-element">

  <template>
    <style>    
      :host {
        position: absolute;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
      }
      #paper_button {
        left: 490px;
        top: 240px;
        position: absolute;
        background-color: rgb(54, 242, 49);
      }
    </style>
    <paper-button id="paper_button">button</paper-button>
  </template>

  <script>

    Polymer({
      
      ready:function() {
        debugger;
        var btn = document.getElementById('paper_button');
        btn.addEventListener('click',function(){alert('dsfsdfsfd');});
      	
      }
      
    });

  </script>

</polymer-element>