document.hasFocus

Podsumowanie

Własność hasFocus zwraca wartość true, jeżeli fokus jest zlokalizowany w dowolnym miejscu danego dokumentu.

Uwaga: Ten atrybut jest częścią specyfikacji HTML 5, która jest wciąż opracowywana.

Składnia

focused = document.hasFocus();

Przykład

Specyfikacja

Zarządzanie fokusem

 

 

 

 

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