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-     /**
 
-      * Array lastIndexOf
 
-      */
 
-     function lastIndexOf(arr, item, fromIndex) {
 
-         if (arr == null) {
 
-             return -1;
 
-         }
 
-         var len = arr.length;
 
-         fromIndex = (fromIndex == null || fromIndex >= len)? len - 1 : fromIndex;
 
-         fromIndex = (fromIndex < 0)? len + fromIndex : fromIndex;
 
-         while (fromIndex >= 0) {
 
-             // we iterate over sparse items since there is no way to make it
 
-             // work properly on IE 7-8. see #64
 
-             if (arr[fromIndex] === item) {
 
-                 return fromIndex;
 
-             }
 
-             fromIndex--;
 
-         }
 
-         return -1;
 
-     }
 
-     module.exports = lastIndexOf;
 
 
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