Check for continuation callback

diff --git a/pdf.js b/pdf.js
index 5a193fe89f614fd69a091a1ca900a42396950451..37afdc3765c066b995d32225db93e44dd9579c96 100644 (file)
--- a/pdf.js
+++ b/pdf.js
@@ -3379,7 +3379,7 @@ var Page = (function() {
           } catch (e) {
             exc = e.toString();
           }
-          continuation(exc);
+          if (continuation) continuation(exc);
         });
       };