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Checking a child window in Javascript

I want to know if the user is focused on http or https.

Therefore, each time the user clicks on one of the child windows - I want to know which one is "active".

I checked the W3C. Page Visibility API

Is there a way to determine if a browser window is open?

But for me it worked only with tabs, but not with windows.

EDIT: And only checked on Parentwindow.

Any help?

Thanks in advance.

Here is what I got.

<html> <head> <title>checkfocus</title> </head> <body> <a href="javascript:loadChild()">Click me</a>. <script src="http://code.jquery.com/jquery-1.10.1.min.js"></script> <script type="text/javascript"> var w; var w2; function loadChild() { w = window.open("","",'width=400,height=200'); w.location.href="https://www.facebook.com"; w.moveTo(0,0) w.addEventListener('focus',function(){ console.log("w") }) w2 = window.open("","",'width=400,height=200'); w2.moveTo(400,0) w2.location.href="http://www.facebook.com"; w2.addEventListener('focus',function(){ console.log("w2") }) } </script> </body> </html>

Events are fired 2 times in chrome once, when the window is open and one time location.href is set ... but nothing after

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1 answer

try to put the code in a div, put the div in the table and put the table in the top frame ...!

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Source: https://habr.com/ru/post/1485201/

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