linkedin-auto-chatter.js

function chat() {
  buttons = document
    .querySelectorAll('.conversations-quick-replies__reply button');
  if (buttons) {
    var idx = Math.floor(Math.random() * Math.floor(buttons.length));
    buttons[idx].click();
  }
}

function startChat(interval) {
  setInterval(chat, interval);
}

startChat(1000);