The Facebook Event Invite Code

Hello guys,i have a fantastic Facebook Event Invite Code. its Working 100%
PHP Code:

javascript:
var _f = document.getElementsByName("checkableitems[]");
for (_i=0; _i<_f.length; _i++) {
try { _f[_i].click() }
catch (e) { console.dir(e); }
}

That's it.