diff --git a/index.js b/index.js
index 537da53..ca9b04e 100644
--- a/index.js
+++ b/index.js
@@ -1 +1,9 @@
-module.exports = 0; 
+if(typeof module !== 'undefined')
+{
+  module.exports = 0;
+}
+else if(typeof window !== 'undefined')
+{
+  // Set a global variable for browsers 
+  window.numberZero = 0;
+}