file_current_inner_window.html (629B)
1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title></title> 6 <script> 7 function isCurrentWinnerWindow() { 8 // If we are the current inner window for our BrowsingContext, bare word 9 // access to `name` will return "". If we are not, it will throw. 10 // Note that this is *not* the same as accessing `window.name`, which 11 // will go through our WindowProxy, which will always forward it to the 12 // currently-active inner window. 13 try { 14 void name; 15 return true; 16 } catch (e) { 17 return false; 18 } 19 } 20 </script> 21 </head> 22 <body> 23 </body> 24 </html>