Use <script type=module>

Author: simnalamburt

src/index.html

@@ -7,6 +7,7 @@
       margin: 0;
       padding: 0;
       overflow: hidden;
+      background: black;
     }
 
     canvas {
@@ -17,4 +18,4 @@
   </style>
 </head>
 <canvas id="screen"></canvas>
-<script src="index.js"></script>
+<script type="module" src="index.js"></script>