wait #6718 @0.75

diff --git a/js/libs/fluidbook/fluidbook.utils.js b/js/libs/fluidbook/fluidbook.utils.js
index 5121cf4568ccdd8f62e973e07e0f2dc496053e98..685b47281bdf40bbdd9cbbac998a1fa1f39e5984 100644 (file)
--- a/js/libs/fluidbook/fluidbook.utils.js
+++ b/js/libs/fluidbook/fluidbook.utils.js
@@ -122,6 +122,9 @@ function getIframeDocument(iframe) {
 }
 
 function parseTransformOrigin(origin) {
+    if (origin === undefined || origin === null || origin === false || origin === '') {
+        return [0.5, 0.5];
+    }
     origin = origin.trim();
     if (origin === 'center') {
         return [0.5, 0.5];