diff --git a/src/static/js/ace2_inner.js b/src/static/js/ace2_inner.js
index 8ecb44ae..64fdaea2 100644
--- a/src/static/js/ace2_inner.js
+++ b/src/static/js/ace2_inner.js
@@ -1642,7 +1642,7 @@ function Ace2Inner(){
 
     // update the representation
     p.mark("splice");
-    forEach(splicesToDo, function(splice)
+    splicesToDo.forEach(function(splice)
     {
       doIncorpLineSplice(splice[0], splice[1], splice[2], splice[3], splice[4]);
     });
@@ -2142,7 +2142,7 @@ function Ace2Inner(){
         return entry.domInfo;
       }), isTimeUp);
 
-      infoStructs.forEach(function(k)
+      keysToDelete.forEach(function(k)
       {
         var n = doc.getElementById(k);
         n.parentNode.removeChild(n);
diff --git a/src/static/js/broadcast_slider.js b/src/static/js/broadcast_slider.js
index 2b67ac73..c40e6c63 100644
--- a/src/static/js/broadcast_slider.js
+++ b/src/static/js/broadcast_slider.js
@@ -22,7 +22,7 @@
 
  // These parameters were global, now they are injected. A reference to the
  // Timeslider controller would probably be more appropriate.
-var forEach = require('./ace2_common').forEach;
+require('./ace2_common');
 
 function loadBroadcastSliderJS(fireWhenAllScriptsAreLoaded)
 {
@@ -175,7 +175,7 @@ function loadBroadcastSliderJS(fireWhenAllScriptsAreLoaded)
       $("#authorstable").empty();
       var numAnonymous = 0;
       var numNamed = 0;
-      forEach(authors, function(author)
+      authors.forEach(function(author)
       {
         if (author.name)
         {
@@ -469,7 +469,7 @@ function loadBroadcastSliderJS(fireWhenAllScriptsAreLoaded)
             $("#timeslider").show();
             setSliderLength(clientVars.totalRevs);
             setSliderPosition(clientVars.revNum);
-            forEach(clientVars.savedRevisions, function(revision)
+            clientVars.savedRevisions.forEach(function(revision)
             {
               addSavedRevision(revision.revNum, revision);
             })
diff --git a/src/static/js/chat.js b/src/static/js/chat.js
index b8f22e9e..23b47667 100644
--- a/src/static/js/chat.js
+++ b/src/static/js/chat.js
@@ -147,10 +147,11 @@ var chat = (function()
         }
       });
       
-      for(var i in clientVars.chatHistory)
-      {
-        this.addMessage(clientVars.chatHistory[i], false);
-      }
+      var that = this;
+      $.each(clientVars.chatHistory, function(i, o){
+        that.addMessage(o, false);
+      })
+
       $("#chatcounter").text(clientVars.chatHistory.length);
     }
   }
diff --git a/src/static/js/linestylefilter.js b/src/static/js/linestylefilter.js
index 04b8fb72..f1116ecc 100644
--- a/src/static/js/linestylefilter.js
+++ b/src/static/js/linestylefilter.js
@@ -30,7 +30,6 @@
 
 var Changeset = require('./Changeset');
 var hooks = require('./pluginfw/hooks');
-var map = require('./ace2_common').map;
 
 var linestylefilter = {};
 
@@ -302,7 +301,7 @@ linestylefilter.getFilterStack = function(lineText, textAndClassFunc, browser)
     linestylefilter: linestylefilter,
     browser: browser
   });
-  map(hookFilters, function(hookFilter)
+  hookFilters.map(function(hookFilter)
   {
     func = hookFilter(lineText, func);
   });