AVGP · December 30, 2016 15:40
diff --git a/extended-button-issue.html b/extended-button-issue.html
 <!doctype html>
 <html>
 <body>

  <button is="plastic-button">Click Me!</button>

  <script>
    class PlasticButton extends HTMLButtonElement {
      constructor() {
        super()

        let shadow = this.attachShadow({mode: 'open'})
        let inner = document.createElement('div')
        inner.textContent = 'It works!'
        shadow.appendChild(inner)

        this.addEventListener("click", () => {
          console.log('Clicked!')
        })
      }
    }

    customElements.define("plastic-button", PlasticButton, { extends: "button" });
  </script>

  <button is="plastic-button">Test</button>

 </body>
 </html>
	<!doctype html>
	<html>
	<body>

	<button is="plastic-button">Click Me!</button>

	<script>
	class PlasticButton extends HTMLButtonElement {
	constructor() {
	super()

	let shadow = this.attachShadow({mode: 'open'})
	let inner = document.createElement('div')
	inner.textContent = 'It works!'
	shadow.appendChild(inner)

	this.addEventListener("click", () => {
	console.log('Clicked!')
	})
	}
	}

	customElements.define("plastic-button", PlasticButton, { extends: "button" });
	</script>

	<button is="plastic-button">Test</button>

	</body>
	</html>