diff --git a/core/misc/states.js b/core/misc/states.js
index 30c938f..e61e1bd 100644
--- a/core/misc/states.js
+++ b/core/misc/states.js
@@ -100,6 +100,20 @@
       // The "reference" variable is a comparison function.
       return reference(value);
     },
+    Array: function (reference, value) {
+      // Make sure value is an array.
+      if (!Array.isArray(value)) {
+        return false;
+      }
+      // We iterate through each value provided in the reference. If all of them
+      // exist in value array, we return true. Otherwise return false.
+      for (var key in reference) {
+        if (reference.hasOwnProperty(key) && value.indexOf(reference[key]) === -1) {
+          return false;
+        }
+      }
+      return true;
+    },
     Number: function (reference, value) {
       // If "reference" is a number and "value" is a string, then cast
       // reference as a string before applying the strict comparison in