Send unlimited Whatsapp messages using JavaScript

function simulateMouseEvents(element, eventName){ 
    const mouseEvent = document.
    createEvent('MouseEvents');
    mouseEvent.
    initEvent(eventName, true, true);
    element.
    dispatchEvent(mouseEvent); 
  }

  // Schedule your message section starts here

  // const now = new Date();

  // Replace Hours, Mins and secs with your
  // desired time in 24 hour time format e.g.

  // const rt = new Date(now.getFullYear(), now.getMonth(),
  // now.getDate(), Hours, Minutes, Sec, 0) - now;

  // to send message at 2.30PM
  // const rt = new Date(
  //         now.getFullYear(), 
  //         now.getMonth(),
  //         now.getDate(), 
  //         '14:30:00');



  // if (rt < 0) {
  //   rt += 86400000; 
  // }

  // setTimeout(startTimer, rt);

  // Schedule your message section ends here


  // Replace My Contact Name with the name 
  // of your WhatsApp contact or group e.g. title="Peter Parker" 
  const contactName = "Contact name you want to send message to"

  simulateMouseEvents(
        document.
        querySelector(
          '[title="' + contactName + '"]'), 
          'mousedown');

  function startTimer()
    {
      setTimeout(myFunc, 3000); 
    }

  startTimer(); 

  const eventFire = (MyElement, ElementType) => { 
    const MyEvent = document.createEvent("MouseEvents");
    MyEvent.initMouseEvent(
      ElementType, 
      true, true, 
      window, 
      0, 0, 0, 0, 0, 
      false, false, 
      false, false, 
      0, null);
    MyElement.
    dispatchEvent(MyEvent); 
  };

  function myFunc()
  {

    messageBox = document.
    querySelectorAll(
      "[contenteditable='true']")[1];

    // Replace My Message with your message use  
    // to add spaces to your message
    message = "My Message"; 

    // Replace 5 with the number of times you 
    // want to send your message
    counter = 5; 

    for (let i = 0; i < counter; i++) {
      const event = document.createEvent("UIEvents");
      messageBox.innerHTML = 
      message.replace(/ /gm, ''); // test it
      event.initUIEvent(
        "input", true, 
        true, window, 1);
      messageBox.
      dispatchEvent(event);

      eventFire(document.querySelector(
        'span[data-icon="send"]'), 'click'); 
    } 
  }