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Window closed Property
Window Object
Definition and Usage
The closed property returns a Boolean value indicating whether a window has been closed or not.
Syntax
window.closed
Browser Support
The closed property is supported in all major browsers.
Example
Example
A function that checks whether a window called "myWindow" has been closed or not:
function checkWin()
{
if (!myWindow)
{
document.getElementById("msg").innerHTML="'myWindow' has never been opened!";
}
else
{
if (myWindow.closed)
{
document.getElementById("msg").innerHTML="'myWindow' has been closed!";
}
else
{
document.getElementById("msg").innerHTML="'myWindow' has not been closed!";
}
}
}
{
if (!myWindow)
{
document.getElementById("msg").innerHTML="'myWindow' has never been opened!";
}
else
{
if (myWindow.closed)
{
document.getElementById("msg").innerHTML="'myWindow' has been closed!";
}
else
{
document.getElementById("msg").innerHTML="'myWindow' has not been closed!";
}
}
}
Try it yourself »
Window Object
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