(fix) Check for Node.contains method avalaibility

`Node.contains` is not supported in FireFox < 9. Allows trapping the focus inside the overlay to work as expected.
feimosi · Mar 11, 2017 · 7a39ba5 · 7a39ba5
1 parent 1d368f6
commit 7a39ba5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/baguetteBox.js b/src/baguetteBox.js
@@ -125,7 +125,7 @@
     };
 
     var trapFocusInsideOverlay = function(event) {
-        if (overlay.style.display === 'block' && !overlay.contains(event.target)) {
+        if (overlay.style.display === 'block' && (overlay.contains && !overlay.contains(event.target))) {
             event.stopPropagation();
             initFocus();
         }