Is there a way to determine if the media-iframe is visible?

I came up with a way to do it:

1. Add an element to the contents of the frame such as a text input
   with and ID (i.e. ‘search_text’)

2. In the plugin’s CSS file, style the
   element to be visible only when it is displayed in the frame:

   #search_text {
      display: none;
   }
   
   #media-upload #search_text {
      display: inline;
   }
   

3. Test if the element is visible:

   if(jQuery(“#search_text”).is(“:visible”)) {
   }