A Polymer2 element to render html from firebase
<firebase-app
id="app"
auth-domain="paperfireelements.firebaseapp.com"
database-url="https://paperfireelements.firebaseio.com/"
storage-bucket="paperfireelements.appspot.com"
api-key="AIzaSyBV90mRwJOGY7uO_RVWkchk9oUBx2E-sac"
messagingSender-id="637337808974"></firebase-app>
<paperfire-html url="/demo/html"></paperfire-html>First, make sure you have the Polymer CLI installed. Then run polymer serve to serve your element locally.
$ polymer serve
$ polymer test
Your application is already set up to be tested via web-component-tester. Run polymer test to run your application's test suite locally.