* Remove non-Open Source code from Douglas Crockford....

src/array.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 691 matching lines @@
         a[i] = a[high_start];
         a[high_start] = element;
       } else {  // order == 0
         i++;
       }
     }
     QuickSort(a, from, low_end);
     QuickSort(a, high_start, to);
   }
 
+  var length;
+
   // Copies elements in the range 0..length from obj's prototype chain
   // to obj itself, if obj has holes. Returns one more than the maximal index
   // of a prototype property.
   function CopyFromPrototype(obj, length) {
     var max = 0;
     for (var proto = obj.__proto__; proto; proto = proto.__proto__) {
       var indices = %GetArrayKeys(proto, length);
       if (indices.length > 0) {
         if (indices[0] == -1) {
           // It's an interval.
@@ skipping 97 matching lines @@
         obj[i] = void 0;
       } else {
         delete obj[i];
       }
     }
 
     // Return the number of defined elements.
     return first_undefined;
   }
 
-  var length = ToUint32(this.length);
+  length = ToUint32(this.length);
   if (length < 2) return this;
 
   var is_array = IS_ARRAY(this);
   var max_prototype_element;
   if (!is_array) {
     // For compatibility with JSC, we also sort elements inherited from
     // the prototype chain on non-Array objects.
     // We do this by copying them to this object and sorting only
     // local elements. This is not very efficient, but sorting with
     // inherited elements happens very, very rarely, if at all.
@@ skipping 269 matching lines @@
     ArrayIndexOf: 1,
     ArrayLastIndexOf: 1,
     ArrayPush: 1,
     ArrayReduce: 1,
     ArrayReduceRight: 1
   });
 }
 
 
 SetupArray();