Is there a way in javascript to get names or count all open browser windows?

This was done on purpose for security reasons. So you are mostly right, there is no easy way.

However, if you are using a web application that opens windows, the "main" window may contain a list of grips for opening windows. You can initialize an array like this:

var openWindows = [];

      

        
        
        
      

    

and then enter a method to open a window that looks like this:

function openWindow(url, ... etc)
{
    var w = window.open(url, ... etc);
    openWindows[openWindows.length] = w;
}

      

        
        
        
      

    

Assuming you used this method to open all other windows, and assuming you can go into the collection (if the main window navigates to a different page, the array will be lost), you will have a list of windows. You can find out how many are still open by iterating through the array and checking the "window.closed" property.