Invite

invite.js

var matches = document.querySelectorAll("a[role=button]");
for(var i = 0; i < matches.length; i++){
  var item = matches[i];
  if(item.innerHTML == "Invite"){
    item.click();
  }
}

var matches = document.querySelectorAll("a.uiButton");
for(var i = 0; i < matches.length; i++){
  var item = matches[i];
  if(item.innerText == "Invite"){
    item.click();
  }
}