double check clarification

joni2back · joni2back · commit 73591a67d8a3 · 2014-01-23T13:20:04.000-02:00
diff --git a/functions/array/in_array.js b/functions/array/in_array.js
@@ -18,7 +18,10 @@ function in_array(needle, haystack, argStrict) {
 
   var key = '',
     strict = !! argStrict;
-
+  
+  //we prevent the double check (strict && arr[key] === ndl) || (!strict && arr[key] == ndl)
+  //in just one for, in order to improve the performance 
+  //deciding wich type of comparation will do before walk array
   if (strict) {
     for (key in haystack) {
       if (haystack[key] === needle) {
