1 files changed, 17 insertions, 0 deletions
diff --git a/data/util.js b/data/util.js
index 7753458..5e8afcc 100644
--- a/data/util.js
+++ b/data/util.js
@@ -192,3 +192,20 @@ function killNodes(doc, target, remove) {
         }
     });
 }
+
+/**
+ * Remove duplicate elements from array
+ *
+ * @param arr Array which needs to be cleaned up
+ * @return cleaned up array
+ */
+function removeDuplicates (arr) {
+  for (var i = 0; i < arr.length; i++) {
+    for (var j = i + 1; j < arr.length; j++) {
+        if (arr[i] == arr[j]) {
+            arr.splice (j, 1);
+        }
+    }
+  }
+  return arr;
+}