Proxy console.error calls

IPython/html/static/services/kernels/comm.js

@@ -78,7 +78,7 b' define(['
                 comm.close();
                 that.unregister_comm(comm);
             }
-        }, console.error);
+        }, $.proxy(console.error, console));
     };
     
     CommManager.prototype.comm_close = function (msg) {

IPython/html/static/widgets/js/manager.js

@@ -66,7 +66,7 b' define(['
                     dummy.replaceWith(view.$el);
                 }
                 view.trigger('displayed');
-            }, console.error);
+            }, $.proxy(console.error, console));
         }
     };
 
@@ -208,7 +208,7 b' define(['
         //      model_name: 'WidgetModel', 
         //      widget_class: 'IPython.html.widgets.widget_int.IntSlider'})
         //      .then(function(model) { console.log('Create success!', model); },
-        //      console.error);
+        //      $.proxy(console.error, console));
         //
         // Parameters
         // ----------

IPython/html/static/widgets/js/widget.js

@@ -107,7 +107,7 b' define(["widgets/js/manager",'
                         unpacked_state[state_keys[i]] = promise_values[i];
                     }
                     WidgetModel.__super__.set.apply(this, [unpacked_state]);
-                }, console.error);
+                }, $.proxy(console.error, console));
             } finally {
                this.state_lock = null;
             }

IPython/html/static/widgets/js/widget_box.js

@@ -84,7 +84,7 b' define(['
                 that.after_displayed(function() {
                     view.trigger('displayed');
                 });
-            }, console.error);
+            }, $.proxy(console.error, console));
         },
     });
 

IPython/html/static/widgets/js/widget_selectioncontainer.js

@@ -125,7 +125,7 b' define(['
                 that.after_displayed(function() {
                     view.trigger('displayed');
                 });
-            }, console.error);
+            }, $.proxy(console.error, console));
         },
     });
     
@@ -219,7 +219,7 b' define(['
                 that.after_displayed(function() {
                     view.trigger('displayed');
                 });
-            }, console.error);
+            }, $.proxy(console.error, console));
         },
 
         update: function(options) {