diff --git a/.gitignore b/.gitignore
index ff652bf6..6ecf36f1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,5 +36,6 @@ notes.txt
 close_issues.py
 xxx.py
 lab.py
+lab.js
 # Emacs crap
 *~
\ No newline at end of file