diff --git a/bindings/python/pydeck/pydeck/bindings/view_state.py b/bindings/python/pydeck/pydeck/bindings/view_state.py
index d3f33851313..cddd8eb4bc6 100644
--- a/bindings/python/pydeck/pydeck/bindings/view_state.py
+++ b/bindings/python/pydeck/pydeck/bindings/view_state.py
@@ -3,7 +3,8 @@
 class ViewState(JSONMixin):
     """An object that represents where the state of a viewport, essentially where the screen is focused.
 
-    If you have two dimensional data and you don't want to set this manually, see :func:`pydeck.data_utils.viewport_helpers.compute_view`.
+    If you have two dimensional data and you don't want to set this manually,
+    see :func:`pydeck.data_utils.viewport_helpers.compute_view`.
 
 
     Parameters
diff --git a/bindings/python/pydeck/pydeck/widget/widget.py b/bindings/python/pydeck/pydeck/widget/widget.py
index 90094d2658c..7dad94b0399 100644
--- a/bindings/python/pydeck/pydeck/widget/widget.py
+++ b/bindings/python/pydeck/pydeck/widget/widget.py
@@ -3,7 +3,7 @@
 from __future__ import unicode_literals
 
 import ipywidgets as widgets
-from traitlets import Any, Int, Unicode
+from traitlets import Any, Int, Unicode, observe
 
 from ._frontend import module_name, module_version
 
@@ -30,8 +30,8 @@ class DeckGLWidget(widgets.DOMWidget):
             Data passed from Jupyter widget frontend back to Python backend
         tooltip : bool or dict of {str: str}, default True
             See the ``Deck`` constructor.
-
-
+        js_error : str, default None
+            JS console error, if any
     """
     _model_name = Unicode('DeckGLModel').tag(sync=True)
     _model_module = Unicode(module_name).tag(sync=True)
@@ -45,3 +45,8 @@ class DeckGLWidget(widgets.DOMWidget):
     width = Any('100%').tag(sync=True)
     selected_data = Any().tag(sync=True)
     tooltip = Any(True).tag(sync=True)
+    js_error = Unicode(None, allow_none=True).tag(sync=True)
+
+    @observe('js_error')
+    def _observe_js_error(self, change):
+        widgets.append_stderr('JavaScript error detected: %s' % change['new'])
diff --git a/modules/jupyter-widget/src/utils.js b/modules/jupyter-widget/src/utils.js
index f93b409e8d5..81bce4fff2f 100644
--- a/modules/jupyter-widget/src/utils.js
+++ b/modules/jupyter-widget/src/utils.js
@@ -24,7 +24,18 @@ export function updateDeck(inputJSON, {jsonConverter, deckgl}) {
   deckgl.setProps(results);
 }
 
-export function initDeck({mapboxApiKey, container, jsonInput, tooltip, onComplete, handleClick}) {
+export function initDeck(
+  {mapboxApiKey, container, jsonInput, tooltip, onComplete, handleClick, handleError} = {
+    mapboxApiKey: null,
+    container: null,
+    jsonInput: null,
+    tooltip: null,
+    onComplete: null,
+    handleClick: null,
+    // eslint-disable-next-line
+    handleError: console.error
+  }
+) {
   require(['mapbox-gl', 'h3', 's2Geometry'], mapboxgl => {
     require(['deck.gl', 'loaders.gl/csv'], (deck, loaders) => {
       try {
@@ -61,7 +72,7 @@ export function initDeck({mapboxApiKey, container, jsonInput, tooltip, onComplet
       } catch (err) {
         // This will fail in node tests
         // eslint-disable-next-line
-        console.error(err);
+        handleError(err);
       }
       return {};
     });
diff --git a/modules/jupyter-widget/src/widget.js b/modules/jupyter-widget/src/widget.js
index e99c81fee6e..877d02b8fab 100644
--- a/modules/jupyter-widget/src/widget.js
+++ b/modules/jupyter-widget/src/widget.js
@@ -23,7 +23,8 @@ export class DeckGLModel extends DOMWidgetModel {
       selected_data: null,
       tooltip: null,
       width: '100%',
-      height: 500
+      height: 500,
+      js_error: null
     };
   }
 
@@ -81,7 +82,8 @@ export class DeckGLView extends DOMWidgetView {
       onComplete: ({jsonConverter, deckgl}) => {
         this.jsonDeck = {jsonConverter, deckgl};
       },
-      handleClick: this.handleClick.bind(this)
+      handleClick: this.handleClick.bind(this),
+      handleError: this.handleError
     });
   }
 
@@ -114,4 +116,12 @@ export class DeckGLView extends DOMWidgetView {
     }
     this.model.save_changes();
   }
+
+  handleError(err) {
+    if (!err) {
+      return;
+    }
+    this.model.set('js_error', err);
+    this.model.save_changes();
+  }
 }