Use (deprecated) event.returnValue on legacy browsers only

11 years ago · 398b7a9b0b
parent a2e09c950d
commit 398b7a9b0b
1 changed files with 5 additions and 1 deletions
--- a/program/js/common.js
+++ b/program/js/common.js
@ -255,13 +255,17 @@ remove_listener: function(p)
 cancel: function(evt)
 {
  var e = evt ? evt : window.event;
+
  if (e.preventDefault)
    e.preventDefault();
+  else
+    e.returnValue = false;
+
  if (e.stopPropagation)
    e.stopPropagation();

  e.cancelBubble = true;
-  e.returnValue = false;
+
  return false;
 },