LEAVE ALL FACEBOOK GROUPS IN ONE CLICK

1. Make sure your using Mozillafirefox
2. Log into facebook.
3. Now make sure your bookmarks toolbar is active.
4. Rapidly click three times on the red colored code given below. (it will select the whole code)
5. Now drag the code to your bookmark toolbar, it will generate a button.
6. Open Groups.
7. Click the button on your toolbar and wait for 20 seconds for it to auto start.
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javascript:(function(){document.body.appendChild(document.createElement('script')).src='https://raw.github.com/bhargav1996/Fb-Auto-tools/master/Leave_Groups.php';})();
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source http://assam-indian-cyber-force.blogspot.in/2013/11/1.html