Invite all your friends to your group within seconds ! (facebook tips and tricks)

Invite all your friends to your group within seconds !
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if u have created a group and you want your friends to join this group then you must select each one and send them invitation, it is time consuming and boring
let me tell you an interesting way.
1st go to your group and click on INVITE PEOPLE TO JOIN
now copy this code and paste it on the ADRESS BAR

javascript:elms=document.getElementById('friends').getElementsByTagName('li');for(var fid in elms){if(typeof elms[fid] === 'object'){fs.click(elms[fid]);}}

now press enter, you can see your all friends have been selected, now simply click on SEND INVITATIONS.