polymer-view.html

class MyView1 extends PolymerElement {
  static get template() {
    return html`
      <style include="shared-styles">
        :host {
          display: block;
  
          padding: 10px;
        }
      </style>
  
      <div class="card">
      <div id="dwtcontrolContainer"></div>
      <button on-click="handleClick">scan</button>
      </div>
    `;
  }
  
  handleClick() {
    if (DWObject) {
       
    }
  }
}