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

[dygraphs.git] / dygraph-gviz.js

diff --git a/dygraph-gviz.js b/dygraph-gviz.js
index 5b81d7f..7e514a6 100644 (file)
--- a/dygraph-gviz.js
+++ b/dygraph-gviz.js
@@ -17,6 +17,8 @@
  * - http://dygraphs.com/tests/annotation-gviz.html
  */
 
+"use strict";
+
 /**
  * A wrapper around Dygraph that implements the gviz API.
  * @param {Object} container The DOM object the visualization should live in.