Entry

How can I check whether a window is still open?

Mar 16th, 2000 15:15
Martin Honnen,

When you open a window with window.open you keep a reference as in
  var win = window.open('whatever.html', 'windowName');
You can then later check the closed property e.g.
  if (win && win.closed)
respectively
  if (win && !win.closed)