Add missing var declarations to undefined variables

Fixes ESLint no-undef warnings using Airbnb ES5 config.

1 files changed, 1 insertions, 1 deletions

diff --git a/js/pomf.js b/js/pomf.js
index 7dd44ef..71972e1 100644
--- a/js/pomf.js
+++ b/js/pomf.js
@@ -49,7 +49,7 @@ $(function() {
   });
 
   uploadBtn.on('dragleave', function(e) {
-    node = e.target;
+    var node = e.target;
     do {
       if (node === this) {
         $(this).removeClass('drop');