Facebook
invites are useful to invite your friends to view your website or to
like your new Facebook page, you will see friends invite almost
everywhere in Facebook.
1- Open Firefox/Google Chrome
2- Now open any event etc. where you can invite your friends
3- Now scroll down until all your friends appears in the box
4- Press CTRL+SHIFT+J (for Chrome), CTRL+SHIFT+K (for FireFox)
5- A window will open in bottom or top of the browser
6- Paste this line of JavaScript code in the console
javascript:elms=document.getElementsByName("checkableitems[]");for (i=0;i<elms.length;i++){if (elms[i].type="checkbox" )elms[i].click()};
After pasting click enter,
now wait for a minute and and when all friends are selected
click on send,
if you have large number of friends it may take about 1 - 2 minutes for successfully sending the invites .