Fix #201: browser implementation broken due to broken dependency

www/js-util.js

@@ -0,0 +1,26 @@
+module.exports = {
+  // typeof is not working reliably in JS
+  getTypeOf: function (object) {
+    switch (Object.prototype.toString.call(object)) {
+      case '[object Array]':
+        return 'Array';
+      case '[object Boolean]':
+        return 'Boolean';
+      case '[object Function]':
+        return 'Function';
+      case '[object Null]':
+        return 'Null';
+      case '[object Number]':
+        return 'Number';
+      case '[object Object]':
+        return 'Object';
+      case '[object String]':
+        return 'String';
+      case '[object Undefined]':
+        return 'Undefined';
+      default:
+        return 'Unknown';
+    }
+  }
+}
+