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I've already found that Question which is related to my one:
check if a browser tab is already open so I don't make extra tabs

Is it as well possible to check if an URL you opened in a new tab has changed? Even if you don't own the URL you want to observe. For example:

On my website, i would open a new tab like so:

var tabA = window.open('http://google.com','newTab');

and now the user changes to http://google.com/mail on that tab. Is there any chance to observe such an action?

edit: After giving it a second thought, this is probably not possible because of obvious security issues. Still wonder if there is anything you can find out, that is happening on a tab you have opened.

user1911283
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I don't think it's feasible to see if a URL you entered in a new tab has changed for security reasons, especially if you don't control the URL you wish to see.

Sentayhu berhanu
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