ok i think everthing is wroking

src/js/level/index.js

@@ -377,7 +377,7 @@ var Level = Sandbox.extend({
   undo: function() {
     this.gitCommandsIssued.pop();
     Level.__super__.undo.apply(this, arguments);
-  }.bind(this),
+  },
 
   afterCommandCB: function(command) {
     if (command.get('error')) {

src/js/sandbox/index.js

@@ -82,7 +82,7 @@ var Sandbox = Backbone.View.extend({
     Main.getEventBaton().stealBaton('levelExited', this.levelExited, this);
 
     this.insertGitShim();
-  }.bind(this),
+  },
 
   releaseControl: function() {
     // we will be handling commands that are submitted, mainly to add the sanadbox

src/js/views/builderViews.js

@@ -107,7 +107,7 @@ var MarkdownGrabber = ContainedBase.extend({
 
   getRawText: function() {
     return this.$('textarea').val();
-  }.bind(this),
+  },
 
   exportToArray: function() {
     return this.getRawText().split('\n');
@@ -163,7 +163,7 @@ var MarkdownPresenter = ContainedBase.extend({
 
   grabText: function() {
     return this.$('textarea').val();
-  }.bind(this)
+  }
 });
 
 var DemonstrationBuilder = ContainedBase.extend({
@@ -243,7 +243,7 @@ var DemonstrationBuilder = ContainedBase.extend({
         options: this.getExportObj()
       }]
     });
-  }.bind(this),
+  },
 
   getExportObj: function() {
     return {

src/js/visuals/visTag.js

@@ -296,7 +296,7 @@ var VisTag = VisBase.extend({
 
   shouldDisableClick: function() {
     return this.get('isHead') && !this.gitEngine.getDetachedHead();
-  }.bind(this),
+  },
 
   onClick: function() {
     if (this.shouldDisableClick()) {

src/js/visuals/visualization.js

@@ -99,7 +99,7 @@ var Visualization = Backbone.View.extend({
 
   clearOrigin: function() {
     delete this.originVis;
-  }.bind(this),
+  },
 
   makeOrigin: function(options) {
     // oh god, here we go. We basically do a bizarre form of composition here,
@@ -196,7 +196,7 @@ var Visualization = Backbone.View.extend({
     this.setTreeOpacity(1);
     this.originToo('showHarsh', arguments);
     this.myResize();
-  }.bind(this),
+  },
 
   resetFromThisTreeNow: function(treeString) {
     this.treeString = treeString;