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javascriptgmailfirebugdetection

How can the page know I'm analyzing it with firebug


Look:

Screenshot of Google identifying Firebug use!

Wow!

How can the webpage know I'm using firebug?

BTW I couldn't find out how to show the translucent add banner.


Solution

  • You can do:

    if(window.console && window.console.firebug)
    {
        alert("Firebug active!");
    }