Fixing Issue 2998 - Replacing `!!window.frameElement` with `window.parent !== window`

12 years ago · b0376a1aa6
1 changed files with 1 additions and 1 deletions
--- a/web/viewer.js
+++ b/web/viewer.js
@ -886,7 +886,7 @@ var PDFView = {
                  doc.webkitRequestFullScreen;
    // Disable fullscreen button if we're in an iframe
-    if (!!window.frameElement)
+    if (window.parent !== window)
      support = false;
    Object.defineProperty(this, 'supportsFullScreen', { value: support,