remove unused variable, update multi-instance example in readme

README.md

@@ -174,10 +174,10 @@ If you want to run multiple presentations side-by-side on the same page you can
 <div class="reveal deck-1">...</div>
 <div class="reveal deck-2">...</div>
 <script type="module">
-  import Reveal from 'js/reveal.js';
+  import Deck from 'js/reveal.js';
 
-  let deck1 = new Reveal( document.querySelector( 'deck-1' ), { embedded: true } );
-  let deck2 = new Reveal( document.querySelector( 'deck-2' ), { embedded: true } );
+  let deck1 = new Deck( document.querySelector( 'deck-1' ), { embedded: true } );
+  let deck2 = new Deck( document.querySelector( 'deck-2' ), { embedded: true } );
 
   deck1.initialize();
   deck2.initialize();

js/reveal.js

@@ -101,9 +101,6 @@ export default function( revealElement, options ) {
 		// Cached references to DOM elements
 		dom = {},
 
-		// List of asynchronously loaded reveal.js dependencies
-		asyncDependencies = [],
-
 		// Flags if the interaction event listeners are bound
 		eventsAreBound = false,
 

webpack.config.js

@@ -2,7 +2,7 @@ const path = require('path');
 
 module.exports = {
   mode: 'production',
-  entry: ["./js/index.js"],
+  entry: ['./js/index.js'],
   output: {
     path: path.join(__dirname, '/dist'),
     filename: 'reveal.min.js',
@@ -15,8 +15,8 @@ module.exports = {
         loader: 'babel-loader',
         query: {
           presets: [
-            [ '@babel/preset-env' ],
-          ],
+            [ '@babel/preset-env' ]
+          ]
         }
       }
     ]