Document.onvisibilitychange

The Document.onvisibilitychange property represents the event handler that is called when a visibilitychange event reaches this object.

Syntax

obj.onvisibilitychange = function;

• function is the name of a user-defined function, without the () suffix or any parameters, or an anonymous function declaration.

Example

document.onvisibilitychange = function() { 
  console.log("Visibility of page has changed!");
}; 

Specifications

Browser compatibility

See also

• Page Visibility API