Enable "strict" mode -- and fix one missing "var" declaration.

[dygraphs.git] / dygraph-interaction-model.js

diff --git a/dygraph-interaction-model.js b/dygraph-interaction-model.js
index 98d1411..4018769 100644 (file)
--- a/dygraph-interaction-model.js
+++ b/dygraph-interaction-model.js
@@ -10,6 +10,8 @@
  * @author Robert Konigsberg (konigsberg@google.com)
  */
 
+"use strict";
+
 
 /**
  * A collection of functions to facilitate build custom interaction models.