Issue #209, fix reduce without a memo for arrays that are sparse at t…

…he beginning.
jashkenas · Jul 13, 2011 · 5edc376 · 5edc376
1 parent 174c897
commit 5edc376
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/underscore.js b/underscore.js
@@ -107,7 +107,7 @@
       return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
     }
     each(obj, function(value, index, list) {
-      if (!initial && index === 0) {
+      if (!initial) {
         memo = value;
         initial = true;
       } else {