| // GENERATED CONTENT - DO NOT EDIT | |
| // Content was automatically extracted by Reffy into webref | |
| // (https://github.com/w3c/webref) | |
| // Source: Page Visibility Level 2 (https://w3c.github.io/page-visibility/) | |
| enum VisibilityState { | |
| "hidden", "visible" | |
| }; | |
| partial interface Document { | |
| readonly attribute boolean hidden; | |
| readonly attribute VisibilityState visibilityState; | |
| attribute EventHandler onvisibilitychange; | |
| }; |