diff --git a/lodash.js b/lodash.js
index c4d7a6825..8468d5c7e 100644
--- a/lodash.js
+++ b/lodash.js
@@ -1034,6 +1034,7 @@
           // ensure `new bound` is an instance of `func`
           var thisBinding = baseCreate(func.prototype),
               result = func.apply(thisBinding, args || arguments);
+
           return isObject(result) ? result : thisBinding;
         }
         return func.apply(thisArg, args || arguments);
@@ -2385,11 +2386,11 @@
      * // => ['barney', 'fred']
      */
     function first(array, callback, thisArg) {
-      var n = 0,
-          length = array ? array.length : 0;
-
       if (typeof callback != 'number' && callback != null) {
-        var index = -1;
+        var index = -1,
+            length = array ? array.length : 0,
+            n = 0;
+
         callback = lodash.createCallback(callback, thisArg, 3);
         while (++index < length && callback(array[index], index, array)) {
           n++;
@@ -2558,17 +2559,18 @@
      * // => ['barney', 'fred']
      */
     function initial(array, callback, thisArg) {
-      var n = 0,
-          length = array ? array.length : 0;
+      var length = array ? array.length : 0;
 
       if (typeof callback != 'number' && callback != null) {
-        var index = length;
+        var index = length,
+            n = 0;
+
         callback = lodash.createCallback(callback, thisArg, 3);
         while (index-- && callback(array[index], index, array)) {
           n++;
         }
       } else {
-        n = (callback == null || thisArg) ? 1 : callback || n;
+        n = (callback == null || thisArg) ? 1 : callback;
       }
       n = length - n;
       return slice(array, 0, n > 0 ? n : 0);
@@ -2683,11 +2685,12 @@
      * // => [{ 'name': 'pebbles', 'employer': 'na', 'blocked': true }]
      */
     function last(array, callback, thisArg) {
-      var n = 0,
-          length = array ? array.length : 0;
+      var length = array ? array.length : 0;
 
       if (typeof callback != 'number' && callback != null) {
-        var index = length;
+        var index = length,
+            n = 0;
+
         callback = lodash.createCallback(callback, thisArg, 3);
         while (index-- && callback(array[index], index, array)) {
           n++;
@@ -2937,9 +2940,9 @@
      */
     function rest(array, callback, thisArg) {
       if (typeof callback != 'number' && callback != null) {
-        var n = 0,
-            index = -1,
-            length = array ? array.length : 0;
+        var index = -1,
+            length = array ? array.length : 0,
+            n = 0;
 
         callback = lodash.createCallback(callback, thisArg, 3);
         while (++index < length && callback(array[index], index, array)) {