latest ui 08/13/2019 12:05:46

src/index.html

@@ -4,7 +4,29 @@
   <meta charset="utf-8">
   <title>Map</title>
   <base href="/">
+<!-- pre-zone polyfills -->
+<script src="node_modules/core-js/client/shim.min.js"></script>
+<script src="node_modules/web-animations-js/web-animations.min.js"></script>
+<script>
+  /**
+   * you can configure some zone flags which can disable zone interception for some
+   * asynchronous activities to improve startup performance - use these options only
+   * if you know what you are doing as it could result in hard to trace down bugs..
+   */
+  // __Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
+  // __Zone_disable_on_property = true; // disable patch onProperty such as onclick
+  // __zone_symbol__BLACK_LISTED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
 
+  /*
+   * in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
+   * with the following flag, it will bypass `zone.js` patch for IE/Edge
+   */
+  // __Zone_enable_cross_context_check = true;
+</script>
+<!-- zone.js required by Angular -->
+<script src="node_modules/zone.js/dist/zone.js"></script>
+
+<!-- application polyfills -->
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <link rel="icon" type="image/x-icon" href="favicon.ico">
  <script src="assets/map_load.js"></script>