diff --git a/build.js b/build.js
index 54ac0feaf..88ea163c0 100755
--- a/build.js
+++ b/build.js
@@ -117,7 +117,7 @@
     'last': [],
     'lastIndexOf': [],
     'lateBind': ['isFunction'],
-    'map': ['identity'],
+    'map': ['forEach', 'isArray'],
     'max': ['forEach'],
     'memoize': [],
     'merge': ['forOwn', 'isArray', 'isPlainObject'],
diff --git a/lodash.js b/lodash.js
index 715d84ef4..8e943d0c7 100644
--- a/lodash.js
+++ b/lodash.js
@@ -419,7 +419,7 @@
   );
 
   /**
-   * Reusable iterator options shared by `forEach`, `forIn`,`forOwn`, and `map`.
+   * Reusable iterator options shared by `forEach`, `forIn`, and `forOwn`.
    */
   var forEachIteratorOptions = {
     'args': 'collection, callback, thisArg',
@@ -2100,17 +2100,23 @@
    * _.map({ 'one': 1, 'two': 2, 'three': 3 }, function(num) { return num * 3; });
    * // => [3, 6, 9] (order is not guaranteed)
    */
-  var map = createIterator(forEachIteratorOptions, {
-    'init': 'collection || []',
-    'beforeLoop': {
-      'array':  'result = Array(length)',
-      'object': 'result = ' + (isKeysFast ? 'Array(length)' : '[]')
-    },
-    'inLoop': {
-      'array':  'result[index] = callback(value, index, collection)',
-      'object': 'result' + (isKeysFast ? '[ownIndex] = ' : '.push') + '(callback(value, index, collection))'
+  function map(collection, callback, thisArg) {
+    var index = -1,
+        length = collection ? collection.length : 0,
+        result = Array(length);
+
+    callback = createCallback(callback, thisArg);
+    if (isArray(collection)) {
+      while (++index < length) {
+        result[index] = callback(collection[index], index, collection);
+      }
+    } else {
+      forEach(collection, function(value, key, collection) {
+        result[++index] = callback(value, key, collection);
+      });
     }
-  });
+    return result;
+  }
 
   /**
    * Retrieves the maximum value of an `array`. If `callback` is passed,
diff --git a/lodash.min.js b/lodash.min.js
index 57d88e9b4..69c57cd1c 100644
--- a/lodash.min.js
+++ b/lodash.min.js
@@ -2,39 +2,39 @@
  Lo-Dash 0.8.2 lodash.com/license
  Underscore.js 1.4.2 underscorejs.org/LICENSE
 */
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