Removing unused param.

appleboy · Sep 7, 2013 · 9c15d2e · 9c15d2e
1 parent 80e8f5d
commit 9c15d2e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/underscore.js b/underscore.js
@@ -359,7 +359,7 @@
   // Counts instances of an object that group by a certain criterion. Pass
   // either a string attribute to count by, or a function that returns the
   // criterion.
-  _.countBy = group(function(result, key, value) {
+  _.countBy = group(function(result, key) {
     _.has(result, key) ? result[key]++ : result[key] = 1;
   });