Window closed property

Definition and usage

If the window is closed, then closed The property returns true.

closed The property is read-only.

See also:

open() method

close() method

Example

Function to check if the window is closed:

function checkWin() {
  if (!myWindow) {
    text = "It has never been opened!";
  } else {
    if (myWindow.closed) {
      text = "It is closed.";
    } else {
      text = "It is open.";
    }
  }
}

Try it yourself

Syntax

window.closed

Return value

Type Beskrivelse
Boligværdi Hvis vinduet lukkes, er det true, ellers false.

Browserv understøttelse

Alle browsere understøtter window.closed：

Chrome IE Edge Firefox Safari Opera
Chrome IE Edge Firefox Safari Opera
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