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Diffstat (limited to 'dom/webidl/Document.webidl')
| -rw-r--r-- | dom/webidl/Document.webidl | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/dom/webidl/Document.webidl b/dom/webidl/Document.webidl index 0b8c278fea..904b1fb779 100644 --- a/dom/webidl/Document.webidl +++ b/dom/webidl/Document.webidl @@ -277,8 +277,11 @@ partial interface Document { // https://w3c.github.io/page-visibility/#extensions-to-the-document-interface partial interface Document { + [Pref="dom.visibilityAPI.enabled"] readonly attribute boolean hidden; + [Pref="dom.visibilityAPI.enabled"] readonly attribute VisibilityState visibilityState; + [Pref="dom.visibilityAPI.enabled"] attribute EventHandler onvisibilitychange; }; |