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[bug] alert(); on new page (target="_blank") causes freezing

  • Imagine situation like this:
    You have a site with a normal link <a href="next_site.html" target="_blank"> and it just opens a new tab with site. That new site just pops up an alert immediately alert("Oh yes, that's our sweet pop up"); or with a prompt();. It prevents this site from loading, but also it somehow freezes the previous site and just starts pretty heavily using resouces (my laptop immediately gets hot). I need to close the tab. I don't know why it happens, but it happens.
    To be more funny the problem does not appear when you open the site in new tab by right click or middle mouse button.
    You can easily recreate it.

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