Loading works. Positioning works.

src/app.js

@@ -2,26 +2,21 @@
 
 const $ = require('dollr/dollr').$;
 const L = require('leaflet');
+L.Icon.Default.imagePath = 'node_modules/leaflet/dist/images/';
 
 $(function () {
   console.log('loaded');
   $('button').addEventListener('click', function () {
     console.log('click');
     navigator.geolocation.getCurrentPosition((position) => {
-      console.log(position);
+      console.log();
+      Map.setView([position.coords.latitude, position.coords.longitude], 11);
     });
   });
-});
 
-L.Icon.Default.imagePath = 'node_modules/leaflet/dist/images/';
-
-document.onload = function () {
   const Map = L.map('map');
-  Map.setView([47.63, -122.32], 11);
   L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
     attribution: 'Map data &copy; <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, <a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, Imagery © <a href="http://mapbox.com">Mapbox</a>',
-    maxZoom: 18,
-    id: 'your.mapbox.project.id',
-    accessToken: 'your.mapbox.public.access.token'
+    maxZoom: 18
   }).addTo(Map);
-};
+});