Automatization for Whatsapp Web to try joining a full group until someone leaves it.

whatsapp-join-full-group-automatization.js

  /**
   * Follow the steps bellow and paste this script inside your dev tools
   */
  
  // 1. Click on the invite link, example: https://chat.whatsapp.com/1234 
  // 2. Click on "Join chat" without whatsapp installed on your machine
  // 3. Copy link address of "use whatsapp web" link
  // 4. On your whatsapp web, send a message for yourself containing this link
    // 4.1. The link should be something like https://web.whatsapp.com/accept?code=<invite-link>

function enterGroup() {
  // Replace here with the link retrieved by step 4.1
  let link = document.querySelector(/*'[title="https://web.whatsapp.com/accept?code=<invite-link>"]'*/);
  
  link.removeAttribute('target');
  link.click()
  setTimeout(() => {
    searchByText("Join group").click()
  }, 1000)
  setTimeout(() => {
    searchByText("OK").click()
  }, 3000)
}

function searchByText(searchText){
  let elements = document.querySelectorAll('[data-testid="content"]');
  let element;
  for (let i = 0; i < elements.length; i++) {
    if (elements[i].textContent == searchText) {
      element = elements[i];
      break;
    }
  }
  return element;
}

setInterval(enterGroup, 4000)